Home / 87,774.76-121,131.30-50,049.64

Finding the Fourth Proportional to 87,774.76, 121,131.30 and 50,049.64

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Solution

The fourth proportional to 87,774.76, 121,131.30 and 50,049.64 is: 69,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,774.76 : 121,131.30 = 50,049.64 : x
  2. Step 2: Convert to fraction form
    87,774.76/121,131.30 = 50,049.64/x
  3. Step 3: Cross multiply
    87,774.76x = 121,131.30 × 50,049.64
  4. Step 4: Simplify right side
    87,774.76x = 6,062,577,957.73
  5. Step 5: Solve for x
    x = 6,062,577,957.73/87,774.76
  6. Step 6: Final answer
    x = 69,069.72

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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.