Home / 87,967.20-131,950.80-58,442.70

Finding the Fourth Proportional to 87,967.20, 131,950.80 and 58,442.70

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Solution

The fourth proportional to 87,967.20, 131,950.80 and 58,442.70 is: 87,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967.20 : 131,950.80 = 58,442.70 : x
  2. Step 2: Convert to fraction form
    87,967.20/131,950.80 = 58,442.70/x
  3. Step 3: Cross multiply
    87,967.20x = 131,950.80 × 58,442.70
  4. Step 4: Simplify right side
    87,967.20x = 7,711,561,019.16
  5. Step 5: Solve for x
    x = 7,711,561,019.16/87,967.20
  6. Step 6: Final answer
    x = 87,664.05

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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.