Home / 87,279.08-130,927.08-34,676.78

Finding the Fourth Proportional to 87,279.08, 130,927.08 and 34,676.78

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Solution

The fourth proportional to 87,279.08, 130,927.08 and 34,676.78 is: 52,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,279.08 : 130,927.08 = 34,676.78 : x
  2. Step 2: Convert to fraction form
    87,279.08/130,927.08 = 34,676.78/x
  3. Step 3: Cross multiply
    87,279.08x = 130,927.08 × 34,676.78
  4. Step 4: Simplify right side
    87,279.08x = 4,540,129,549.20
  5. Step 5: Solve for x
    x = 4,540,129,549.20/87,279.08
  6. Step 6: Final answer
    x = 52,018.53

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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.