Home / 52,231.23-72,077.13-28,357.39

Finding the Fourth Proportional to 52,231.23, 72,077.13 and 28,357.39

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Solution

The fourth proportional to 52,231.23, 72,077.13 and 28,357.39 is: 39,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.23 : 72,077.13 = 28,357.39 : x
  2. Step 2: Convert to fraction form
    52,231.23/72,077.13 = 28,357.39/x
  3. Step 3: Cross multiply
    52,231.23x = 72,077.13 × 28,357.39
  4. Step 4: Simplify right side
    52,231.23x = 2,043,919,375.59
  5. Step 5: Solve for x
    x = 2,043,919,375.59/52,231.23
  6. Step 6: Final answer
    x = 39,132.13

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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.