Home / 87,316.07-130,974.92-34,738.97

Finding the Fourth Proportional to 87,316.07, 130,974.92 and 34,738.97

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Solution

The fourth proportional to 87,316.07, 130,974.92 and 34,738.97 is: 52,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,316.07 : 130,974.92 = 34,738.97 : x
  2. Step 2: Convert to fraction form
    87,316.07/130,974.92 = 34,738.97/x
  3. Step 3: Cross multiply
    87,316.07x = 130,974.92 × 34,738.97
  4. Step 4: Simplify right side
    87,316.07x = 4,549,933,642.94
  5. Step 5: Solve for x
    x = 4,549,933,642.94/87,316.07
  6. Step 6: Final answer
    x = 52,108.78

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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.