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Finding the Fourth Proportional to 83,461.88, 125,127.84 and 41,312.88

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Solution

The fourth proportional to 83,461.88, 125,127.84 and 41,312.88 is: 61,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,461.88 : 125,127.84 = 41,312.88 : x
  2. Step 2: Convert to fraction form
    83,461.88/125,127.84 = 41,312.88/x
  3. Step 3: Cross multiply
    83,461.88x = 125,127.84 × 41,312.88
  4. Step 4: Simplify right side
    83,461.88x = 5,169,391,438.58
  5. Step 5: Solve for x
    x = 5,169,391,438.58/83,461.88
  6. Step 6: Final answer
    x = 61,937.16

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1.5x scale

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.