Home / 87,493.38-120,778.18-58,829.65

Finding the Fourth Proportional to 87,493.38, 120,778.18 and 58,829.65

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Solution

The fourth proportional to 87,493.38, 120,778.18 and 58,829.65 is: 81,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493.38 : 120,778.18 = 58,829.65 : x
  2. Step 2: Convert to fraction form
    87,493.38/120,778.18 = 58,829.65/x
  3. Step 3: Cross multiply
    87,493.38x = 120,778.18 × 58,829.65
  4. Step 4: Simplify right side
    87,493.38x = 7,105,338,057.04
  5. Step 5: Solve for x
    x = 7,105,338,057.04/87,493.38
  6. Step 6: Final answer
    x = 81,210.01

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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.