Home / 83,665.85-125,505.86-26,747.96

Finding the Fourth Proportional to 83,665.85, 125,505.86 and 26,747.96

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Solution

The fourth proportional to 83,665.85, 125,505.86 and 26,747.96 is: 40,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,665.85 : 125,505.86 = 26,747.96 : x
  2. Step 2: Convert to fraction form
    83,665.85/125,505.86 = 26,747.96/x
  3. Step 3: Cross multiply
    83,665.85x = 125,505.86 × 26,747.96
  4. Step 4: Simplify right side
    83,665.85x = 3,357,024,961.78
  5. Step 5: Solve for x
    x = 3,357,024,961.78/83,665.85
  6. Step 6: Final answer
    x = 40,124.20

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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.