Home / 87,500.54-120,759.84-53,531.66

Finding the Fourth Proportional to 87,500.54, 120,759.84 and 53,531.66

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Solution

The fourth proportional to 87,500.54, 120,759.84 and 53,531.66 is: 73,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,500.54 : 120,759.84 = 53,531.66 : x
  2. Step 2: Convert to fraction form
    87,500.54/120,759.84 = 53,531.66/x
  3. Step 3: Cross multiply
    87,500.54x = 120,759.84 × 53,531.66
  4. Step 4: Simplify right side
    87,500.54x = 6,464,474,092.74
  5. Step 5: Solve for x
    x = 6,464,474,092.74/87,500.54
  6. Step 6: Final answer
    x = 73,879.25

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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.