Home / 87,335.38-120,520.20-49,095.28

Finding the Fourth Proportional to 87,335.38, 120,520.20 and 49,095.28

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Solution

The fourth proportional to 87,335.38, 120,520.20 and 49,095.28 is: 67,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335.38 : 120,520.20 = 49,095.28 : x
  2. Step 2: Convert to fraction form
    87,335.38/120,520.20 = 49,095.28/x
  3. Step 3: Cross multiply
    87,335.38x = 120,520.20 × 49,095.28
  4. Step 4: Simplify right side
    87,335.38x = 5,916,972,964.66
  5. Step 5: Solve for x
    x = 5,916,972,964.66/87,335.38
  6. Step 6: Final answer
    x = 67,750.01

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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.