Home / 87,701.55-131,418.50-45,595.32

Finding the Fourth Proportional to 87,701.55, 131,418.50 and 45,595.32

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Solution

The fourth proportional to 87,701.55, 131,418.50 and 45,595.32 is: 68,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.55 : 131,418.50 = 45,595.32 : x
  2. Step 2: Convert to fraction form
    87,701.55/131,418.50 = 45,595.32/x
  3. Step 3: Cross multiply
    87,701.55x = 131,418.50 × 45,595.32
  4. Step 4: Simplify right side
    87,701.55x = 5,992,068,333.44
  5. Step 5: Solve for x
    x = 5,992,068,333.44/87,701.55
  6. Step 6: Final answer
    x = 68,323.40

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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.