Home / 87,560.14-120,832.89-51,763.06

Finding the Fourth Proportional to 87,560.14, 120,832.89 and 51,763.06

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Solution

The fourth proportional to 87,560.14, 120,832.89 and 51,763.06 is: 71,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,560.14 : 120,832.89 = 51,763.06 : x
  2. Step 2: Convert to fraction form
    87,560.14/120,832.89 = 51,763.06/x
  3. Step 3: Cross multiply
    87,560.14x = 120,832.89 × 51,763.06
  4. Step 4: Simplify right side
    87,560.14x = 6,254,680,135.04
  5. Step 5: Solve for x
    x = 6,254,680,135.04/87,560.14
  6. Step 6: Final answer
    x = 71,432.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.