Home / 52,425.37-78,618.91-19,135.58

Finding the Fourth Proportional to 52,425.37, 78,618.91 and 19,135.58

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Solution

The fourth proportional to 52,425.37, 78,618.91 and 19,135.58 is: 28,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,425.37 : 78,618.91 = 19,135.58 : x
  2. Step 2: Convert to fraction form
    52,425.37/78,618.91 = 19,135.58/x
  3. Step 3: Cross multiply
    52,425.37x = 78,618.91 × 19,135.58
  4. Step 4: Simplify right side
    52,425.37x = 1,504,418,753.93
  5. Step 5: Solve for x
    x = 1,504,418,753.93/52,425.37
  6. Step 6: Final answer
    x = 28,696.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.