Home / 87,395.40-131,084.46-34,790.76

Finding the Fourth Proportional to 87,395.40, 131,084.46 and 34,790.76

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Solution

The fourth proportional to 87,395.40, 131,084.46 and 34,790.76 is: 52,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,395.40 : 131,084.46 = 34,790.76 : x
  2. Step 2: Convert to fraction form
    87,395.40/131,084.46 = 34,790.76/x
  3. Step 3: Cross multiply
    87,395.40x = 131,084.46 × 34,790.76
  4. Step 4: Simplify right side
    87,395.40x = 4,560,527,987.59
  5. Step 5: Solve for x
    x = 4,560,527,987.59/87,395.40
  6. Step 6: Final answer
    x = 52,182.70

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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.