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Finding the Fourth Proportional to 60,963.47, 84,158.36 and 45,861.89

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Solution

The fourth proportional to 60,963.47, 84,158.36 and 45,861.89 is: 63,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,963.47 : 84,158.36 = 45,861.89 : x
  2. Step 2: Convert to fraction form
    60,963.47/84,158.36 = 45,861.89/x
  3. Step 3: Cross multiply
    60,963.47x = 84,158.36 × 45,861.89
  4. Step 4: Simplify right side
    60,963.47x = 3,859,660,798.80
  5. Step 5: Solve for x
    x = 3,859,660,798.80/60,963.47
  6. Step 6: Final answer
    x = 63,311.04

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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.