Home / 87,641.46-131,409.68-40,197.13

Finding the Fourth Proportional to 87,641.46, 131,409.68 and 40,197.13

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Solution

The fourth proportional to 87,641.46, 131,409.68 and 40,197.13 is: 60,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641.46 : 131,409.68 = 40,197.13 : x
  2. Step 2: Convert to fraction form
    87,641.46/131,409.68 = 40,197.13/x
  3. Step 3: Cross multiply
    87,641.46x = 131,409.68 × 40,197.13
  4. Step 4: Simplify right side
    87,641.46x = 5,282,291,460.71
  5. Step 5: Solve for x
    x = 5,282,291,460.71/87,641.46
  6. Step 6: Final answer
    x = 60,271.61

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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.