Home / 87,279.50-130,797.20-47,211.98

Finding the Fourth Proportional to 87,279.50, 130,797.20 and 47,211.98

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Solution

The fourth proportional to 87,279.50, 130,797.20 and 47,211.98 is: 70,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,279.50 : 130,797.20 = 47,211.98 : x
  2. Step 2: Convert to fraction form
    87,279.50/130,797.20 = 47,211.98/x
  3. Step 3: Cross multiply
    87,279.50x = 130,797.20 × 47,211.98
  4. Step 4: Simplify right side
    87,279.50x = 6,175,194,790.46
  5. Step 5: Solve for x
    x = 6,175,194,790.46/87,279.50
  6. Step 6: Final answer
    x = 70,751.95

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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.