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Finding the Fourth Proportional to 82,937.64, 124,302.54 and 59,207.88

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Solution

The fourth proportional to 82,937.64, 124,302.54 and 59,207.88 is: 88,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.64 : 124,302.54 = 59,207.88 : x
  2. Step 2: Convert to fraction form
    82,937.64/124,302.54 = 59,207.88/x
  3. Step 3: Cross multiply
    82,937.64x = 124,302.54 × 59,207.88
  4. Step 4: Simplify right side
    82,937.64x = 7,359,689,872.02
  5. Step 5: Solve for x
    x = 7,359,689,872.02/82,937.64
  6. Step 6: Final answer
    x = 88,737.63

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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.