Home / 87,376.32-120,589.56-49,656.24

Finding the Fourth Proportional to 87,376.32, 120,589.56 and 49,656.24

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Solution

The fourth proportional to 87,376.32, 120,589.56 and 49,656.24 is: 68,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,376.32 : 120,589.56 = 49,656.24 : x
  2. Step 2: Convert to fraction form
    87,376.32/120,589.56 = 49,656.24/x
  3. Step 3: Cross multiply
    87,376.32x = 120,589.56 × 49,656.24
  4. Step 4: Simplify right side
    87,376.32x = 5,988,024,132.85
  5. Step 5: Solve for x
    x = 5,988,024,132.85/87,376.32
  6. Step 6: Final answer
    x = 68,531.43

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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.