Home / 87,104.76-130,620.27-27,908.16

Finding the Fourth Proportional to 87,104.76, 130,620.27 and 27,908.16

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Solution

The fourth proportional to 87,104.76, 130,620.27 and 27,908.16 is: 41,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,104.76 : 130,620.27 = 27,908.16 : x
  2. Step 2: Convert to fraction form
    87,104.76/130,620.27 = 27,908.16/x
  3. Step 3: Cross multiply
    87,104.76x = 130,620.27 × 27,908.16
  4. Step 4: Simplify right side
    87,104.76x = 3,645,371,394.40
  5. Step 5: Solve for x
    x = 3,645,371,394.40/87,104.76
  6. Step 6: Final answer
    x = 41,850.43

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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.