Home / 87,614.64-131,442.72-28,450.32

Finding the Fourth Proportional to 87,614.64, 131,442.72 and 28,450.32

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Solution

The fourth proportional to 87,614.64, 131,442.72 and 28,450.32 is: 42,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.64 : 131,442.72 = 28,450.32 : x
  2. Step 2: Convert to fraction form
    87,614.64/131,442.72 = 28,450.32/x
  3. Step 3: Cross multiply
    87,614.64x = 131,442.72 × 28,450.32
  4. Step 4: Simplify right side
    87,614.64x = 3,739,587,445.67
  5. Step 5: Solve for x
    x = 3,739,587,445.67/87,614.64
  6. Step 6: Final answer
    x = 42,682.22

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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.