Home / 87,576.32-120,864.96-49,844.48

Finding the Fourth Proportional to 87,576.32, 120,864.96 and 49,844.48

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Solution

The fourth proportional to 87,576.32, 120,864.96 and 49,844.48 is: 68,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,576.32 : 120,864.96 = 49,844.48 : x
  2. Step 2: Convert to fraction form
    87,576.32/120,864.96 = 49,844.48/x
  3. Step 3: Cross multiply
    87,576.32x = 120,864.96 × 49,844.48
  4. Step 4: Simplify right side
    87,576.32x = 6,024,451,081.42
  5. Step 5: Solve for x
    x = 6,024,451,081.42/87,576.32
  6. Step 6: Final answer
    x = 68,790.87

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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.