Home / 87,883.52-121,260.80-50,156.80

Finding the Fourth Proportional to 87,883.52, 121,260.80 and 50,156.80

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Solution

The fourth proportional to 87,883.52, 121,260.80 and 50,156.80 is: 69,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.52 : 121,260.80 = 50,156.80 : x
  2. Step 2: Convert to fraction form
    87,883.52/121,260.80 = 50,156.80/x
  3. Step 3: Cross multiply
    87,883.52x = 121,260.80 × 50,156.80
  4. Step 4: Simplify right side
    87,883.52x = 6,082,053,693.44
  5. Step 5: Solve for x
    x = 6,082,053,693.44/87,883.52
  6. Step 6: Final answer
    x = 69,205.85

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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.