Home / 87,279.40-130,616.70-52,244.20

Finding the Fourth Proportional to 87,279.40, 130,616.70 and 52,244.20

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Solution

The fourth proportional to 87,279.40, 130,616.70 and 52,244.20 is: 78,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,279.40 : 130,616.70 = 52,244.20 : x
  2. Step 2: Convert to fraction form
    87,279.40/130,616.70 = 52,244.20/x
  3. Step 3: Cross multiply
    87,279.40x = 130,616.70 × 52,244.20
  4. Step 4: Simplify right side
    87,279.40x = 6,823,964,998.14
  5. Step 5: Solve for x
    x = 6,823,964,998.14/87,279.40
  6. Step 6: Final answer
    x = 78,185.29

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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.