Home / 87,632.90-131,454.06-28,464.20

Finding the Fourth Proportional to 87,632.90, 131,454.06 and 28,464.20

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Solution

The fourth proportional to 87,632.90, 131,454.06 and 28,464.20 is: 42,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.90 : 131,454.06 = 28,464.20 : x
  2. Step 2: Convert to fraction form
    87,632.90/131,454.06 = 28,464.20/x
  3. Step 3: Cross multiply
    87,632.90x = 131,454.06 × 28,464.20
  4. Step 4: Simplify right side
    87,632.90x = 3,741,734,654.65
  5. Step 5: Solve for x
    x = 3,741,734,654.65/87,632.90
  6. Step 6: Final answer
    x = 42,697.83

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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.