Home / 83,560.36-125,420.11-51,874.52

Finding the Fourth Proportional to 83,560.36, 125,420.11 and 51,874.52

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Solution

The fourth proportional to 83,560.36, 125,420.11 and 51,874.52 is: 77,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560.36 : 125,420.11 = 51,874.52 : x
  2. Step 2: Convert to fraction form
    83,560.36/125,420.11 = 51,874.52/x
  3. Step 3: Cross multiply
    83,560.36x = 125,420.11 × 51,874.52
  4. Step 4: Simplify right side
    83,560.36x = 6,506,107,377.50
  5. Step 5: Solve for x
    x = 6,506,107,377.50/83,560.36
  6. Step 6: Final answer
    x = 77,861.17

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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.