Home / 87,622.90-131,434.35-32,211.70

Finding the Fourth Proportional to 87,622.90, 131,434.35 and 32,211.70

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Solution

The fourth proportional to 87,622.90, 131,434.35 and 32,211.70 is: 48,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,622.90 : 131,434.35 = 32,211.70 : x
  2. Step 2: Convert to fraction form
    87,622.90/131,434.35 = 32,211.70/x
  3. Step 3: Cross multiply
    87,622.90x = 131,434.35 × 32,211.70
  4. Step 4: Simplify right side
    87,622.90x = 4,233,723,851.90
  5. Step 5: Solve for x
    x = 4,233,723,851.90/87,622.90
  6. Step 6: Final answer
    x = 48,317.55

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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.