Home / 87,451.79-131,177.67-48,258.01

Finding the Fourth Proportional to 87,451.79, 131,177.67 and 48,258.01

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Solution

The fourth proportional to 87,451.79, 131,177.67 and 48,258.01 is: 72,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.79 : 131,177.67 = 48,258.01 : x
  2. Step 2: Convert to fraction form
    87,451.79/131,177.67 = 48,258.01/x
  3. Step 3: Cross multiply
    87,451.79x = 131,177.67 × 48,258.01
  4. Step 4: Simplify right side
    87,451.79x = 6,330,373,565.09
  5. Step 5: Solve for x
    x = 6,330,373,565.09/87,451.79
  6. Step 6: Final answer
    x = 72,387.01

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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.