Home / 87,542.74-120,807.38-49,302.14

Finding the Fourth Proportional to 87,542.74, 120,807.38 and 49,302.14

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Solution

The fourth proportional to 87,542.74, 120,807.38 and 49,302.14 is: 68,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,542.74 : 120,807.38 = 49,302.14 : x
  2. Step 2: Convert to fraction form
    87,542.74/120,807.38 = 49,302.14/x
  3. Step 3: Cross multiply
    87,542.74x = 120,807.38 × 49,302.14
  4. Step 4: Simplify right side
    87,542.74x = 5,956,062,361.79
  5. Step 5: Solve for x
    x = 5,956,062,361.79/87,542.74
  6. Step 6: Final answer
    x = 68,036.05

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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.