Home / 87,639.09-131,445.32-24,452.57

Finding the Fourth Proportional to 87,639.09, 131,445.32 and 24,452.57

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Solution

The fourth proportional to 87,639.09, 131,445.32 and 24,452.57 is: 36,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,639.09 : 131,445.32 = 24,452.57 : x
  2. Step 2: Convert to fraction form
    87,639.09/131,445.32 = 24,452.57/x
  3. Step 3: Cross multiply
    87,639.09x = 131,445.32 × 24,452.57
  4. Step 4: Simplify right side
    87,639.09x = 3,214,175,108.98
  5. Step 5: Solve for x
    x = 3,214,175,108.98/87,639.09
  6. Step 6: Final answer
    x = 36,675.13

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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.