Home / 82,859.10-124,331.85-36,116.70

Finding the Fourth Proportional to 82,859.10, 124,331.85 and 36,116.70

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Solution

The fourth proportional to 82,859.10, 124,331.85 and 36,116.70 is: 54,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,859.10 : 124,331.85 = 36,116.70 : x
  2. Step 2: Convert to fraction form
    82,859.10/124,331.85 = 36,116.70/x
  3. Step 3: Cross multiply
    82,859.10x = 124,331.85 × 36,116.70
  4. Step 4: Simplify right side
    82,859.10x = 4,490,456,126.90
  5. Step 5: Solve for x
    x = 4,490,456,126.90/82,859.10
  6. Step 6: Final answer
    x = 54,193.88

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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.