Home / 87,169.72-120,306.87-48,945.06

Finding the Fourth Proportional to 87,169.72, 120,306.87 and 48,945.06

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Solution

The fourth proportional to 87,169.72, 120,306.87 and 48,945.06 is: 67,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,169.72 : 120,306.87 = 48,945.06 : x
  2. Step 2: Convert to fraction form
    87,169.72/120,306.87 = 48,945.06/x
  3. Step 3: Cross multiply
    87,169.72x = 120,306.87 × 48,945.06
  4. Step 4: Simplify right side
    87,169.72x = 5,888,426,970.56
  5. Step 5: Solve for x
    x = 5,888,426,970.56/87,169.72
  6. Step 6: Final answer
    x = 67,551.29

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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.