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Finding the Fourth Proportional to 63,177.40, 87,182.53 and 34,882.48

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Solution

The fourth proportional to 63,177.40, 87,182.53 and 34,882.48 is: 48,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,177.40 : 87,182.53 = 34,882.48 : x
  2. Step 2: Convert to fraction form
    63,177.40/87,182.53 = 34,882.48/x
  3. Step 3: Cross multiply
    63,177.40x = 87,182.53 × 34,882.48
  4. Step 4: Simplify right side
    63,177.40x = 3,041,142,859.07
  5. Step 5: Solve for x
    x = 3,041,142,859.07/63,177.40
  6. Step 6: Final answer
    x = 48,136.56

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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.