Home / 87,079.38-130,620.69-24,751.50

Finding the Fourth Proportional to 87,079.38, 130,620.69 and 24,751.50

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Solution

The fourth proportional to 87,079.38, 130,620.69 and 24,751.50 is: 37,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,079.38 : 130,620.69 = 24,751.50 : x
  2. Step 2: Convert to fraction form
    87,079.38/130,620.69 = 24,751.50/x
  3. Step 3: Cross multiply
    87,079.38x = 130,620.69 × 24,751.50
  4. Step 4: Simplify right side
    87,079.38x = 3,233,057,231.67
  5. Step 5: Solve for x
    x = 3,233,057,231.67/87,079.38
  6. Step 6: Final answer
    x = 37,127.70

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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.