Home / 87,316.56-120,487.14-49,067.28

Finding the Fourth Proportional to 87,316.56, 120,487.14 and 49,067.28

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Solution

The fourth proportional to 87,316.56, 120,487.14 and 49,067.28 is: 67,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,316.56 : 120,487.14 = 49,067.28 : x
  2. Step 2: Convert to fraction form
    87,316.56/120,487.14 = 49,067.28/x
  3. Step 3: Cross multiply
    87,316.56x = 120,487.14 × 49,067.28
  4. Step 4: Simplify right side
    87,316.56x = 5,911,976,234.78
  5. Step 5: Solve for x
    x = 5,911,976,234.78/87,316.56
  6. Step 6: Final answer
    x = 67,707.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.