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Finding the Fourth Proportional to 64,777.33, 96,946.52 and 39,833.17

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Solution

The fourth proportional to 64,777.33, 96,946.52 and 39,833.17 is: 59,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.33 : 96,946.52 = 39,833.17 : x
  2. Step 2: Convert to fraction form
    64,777.33/96,946.52 = 39,833.17/x
  3. Step 3: Cross multiply
    64,777.33x = 96,946.52 × 39,833.17
  4. Step 4: Simplify right side
    64,777.33x = 3,861,687,012.90
  5. Step 5: Solve for x
    x = 3,861,687,012.90/64,777.33
  6. Step 6: Final answer
    x = 59,614.80

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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.