Home / 87,521.50-120,772.48-49,268.83

Finding the Fourth Proportional to 87,521.50, 120,772.48 and 49,268.83

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Solution

The fourth proportional to 87,521.50, 120,772.48 and 49,268.83 is: 67,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,521.50 : 120,772.48 = 49,268.83 : x
  2. Step 2: Convert to fraction form
    87,521.50/120,772.48 = 49,268.83/x
  3. Step 3: Cross multiply
    87,521.50x = 120,772.48 × 49,268.83
  4. Step 4: Simplify right side
    87,521.50x = 5,950,318,785.80
  5. Step 5: Solve for x
    x = 5,950,318,785.80/87,521.50
  6. Step 6: Final answer
    x = 67,986.94

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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.