Home / 87,453.29-120,684.98-49,727.54

Finding the Fourth Proportional to 87,453.29, 120,684.98 and 49,727.54

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Solution

The fourth proportional to 87,453.29, 120,684.98 and 49,727.54 is: 68,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,453.29 : 120,684.98 = 49,727.54 : x
  2. Step 2: Convert to fraction form
    87,453.29/120,684.98 = 49,727.54/x
  3. Step 3: Cross multiply
    87,453.29x = 120,684.98 × 49,727.54
  4. Step 4: Simplify right side
    87,453.29x = 6,001,366,318.29
  5. Step 5: Solve for x
    x = 6,001,366,318.29/87,453.29
  6. Step 6: Final answer
    x = 68,623.68

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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.