Home / 87,813.10-131,330.85-73,816.30

Finding the Fourth Proportional to 87,813.10, 131,330.85 and 73,816.30

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Solution

The fourth proportional to 87,813.10, 131,330.85 and 73,816.30 is: 110,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,813.10 : 131,330.85 = 73,816.30 : x
  2. Step 2: Convert to fraction form
    87,813.10/131,330.85 = 73,816.30/x
  3. Step 3: Cross multiply
    87,813.10x = 131,330.85 × 73,816.30
  4. Step 4: Simplify right side
    87,813.10x = 9,694,357,422.86
  5. Step 5: Solve for x
    x = 9,694,357,422.86/87,813.10
  6. Step 6: Final answer
    x = 110,397.62

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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.