Home / 52,071.52-71,858.76-28,198.23

Finding the Fourth Proportional to 52,071.52, 71,858.76 and 28,198.23

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Solution

The fourth proportional to 52,071.52, 71,858.76 and 28,198.23 is: 38,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,071.52 : 71,858.76 = 28,198.23 : x
  2. Step 2: Convert to fraction form
    52,071.52/71,858.76 = 28,198.23/x
  3. Step 3: Cross multiply
    52,071.52x = 71,858.76 × 28,198.23
  4. Step 4: Simplify right side
    52,071.52x = 2,026,289,841.99
  5. Step 5: Solve for x
    x = 2,026,289,841.99/52,071.52
  6. Step 6: Final answer
    x = 38,913.59

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Half scale
Find fourth proportional to 104,143.03, 143,717.52 and 56,396.46
Double scale
Find fourth proportional to 52,072.52, 71,860.14 and 28,199.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.