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Finding the Fourth Proportional to 62,669.68, 94,087.96 and 36,393.28

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Solution

The fourth proportional to 62,669.68, 94,087.96 and 36,393.28 is: 54,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,669.68 : 94,087.96 = 36,393.28 : x
  2. Step 2: Convert to fraction form
    62,669.68/94,087.96 = 36,393.28/x
  3. Step 3: Cross multiply
    62,669.68x = 94,087.96 × 36,393.28
  4. Step 4: Simplify right side
    62,669.68x = 3,424,169,472.91
  5. Step 5: Solve for x
    x = 3,424,169,472.91/62,669.68
  6. Step 6: Final answer
    x = 54,638.37

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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.