Home / 87,432-131,113.44-43,026.24

Finding the Fourth Proportional to 87,432, 131,113.44 and 43,026.24

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Solution

The fourth proportional to 87,432, 131,113.44 and 43,026.24 is: 64,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432 : 131,113.44 = 43,026.24 : x
  2. Step 2: Convert to fraction form
    87,432/131,113.44 = 43,026.24/x
  3. Step 3: Cross multiply
    87,432x = 131,113.44 × 43,026.24
  4. Step 4: Simplify right side
    87,432x = 5,641,318,336.67
  5. Step 5: Solve for x
    x = 5,641,318,336.67/87,432
  6. Step 6: Final answer
    x = 64,522.35

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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.