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Finding the Fourth Proportional to 64,593.52, 96,763.92 and 42,338.97

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Solution

The fourth proportional to 64,593.52, 96,763.92 and 42,338.97 is: 63,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,593.52 : 96,763.92 = 42,338.97 : x
  2. Step 2: Convert to fraction form
    64,593.52/96,763.92 = 42,338.97/x
  3. Step 3: Cross multiply
    64,593.52x = 96,763.92 × 42,338.97
  4. Step 4: Simplify right side
    64,593.52x = 4,096,884,547.19
  5. Step 5: Solve for x
    x = 4,096,884,547.19/64,593.52
  6. Step 6: Final answer
    x = 63,425.63

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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.