Home / 87,194.92-130,870.14-40,474.12

Finding the Fourth Proportional to 87,194.92, 130,870.14 and 40,474.12

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Solution

The fourth proportional to 87,194.92, 130,870.14 and 40,474.12 is: 60,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.92 : 130,870.14 = 40,474.12 : x
  2. Step 2: Convert to fraction form
    87,194.92/130,870.14 = 40,474.12/x
  3. Step 3: Cross multiply
    87,194.92x = 130,870.14 × 40,474.12
  4. Step 4: Simplify right side
    87,194.92x = 5,296,853,750.78
  5. Step 5: Solve for x
    x = 5,296,853,750.78/87,194.92
  6. Step 6: Final answer
    x = 60,747.27

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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.