Home / 87,520.24-120,762-49,273.84

Finding the Fourth Proportional to 87,520.24, 120,762 and 49,273.84

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Solution

The fourth proportional to 87,520.24, 120,762 and 49,273.84 is: 67,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,520.24 : 120,762 = 49,273.84 : x
  2. Step 2: Convert to fraction form
    87,520.24/120,762 = 49,273.84/x
  3. Step 3: Cross multiply
    87,520.24x = 120,762 × 49,273.84
  4. Step 4: Simplify right side
    87,520.24x = 5,950,407,466.08
  5. Step 5: Solve for x
    x = 5,950,407,466.08/87,520.24
  6. Step 6: Final answer
    x = 67,988.93

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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.