Home / 87,116.16-130,656-24,769.92

Finding the Fourth Proportional to 87,116.16, 130,656 and 24,769.92

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Solution

The fourth proportional to 87,116.16, 130,656 and 24,769.92 is: 37,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116.16 : 130,656 = 24,769.92 : x
  2. Step 2: Convert to fraction form
    87,116.16/130,656 = 24,769.92/x
  3. Step 3: Cross multiply
    87,116.16x = 130,656 × 24,769.92
  4. Step 4: Simplify right side
    87,116.16x = 3,236,338,667.52
  5. Step 5: Solve for x
    x = 3,236,338,667.52/87,116.16
  6. Step 6: Final answer
    x = 37,149.69

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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.