Home / 87,825.06-121,167.09-50,077.44

Finding the Fourth Proportional to 87,825.06, 121,167.09 and 50,077.44

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Solution

The fourth proportional to 87,825.06, 121,167.09 and 50,077.44 is: 69,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,825.06 : 121,167.09 = 50,077.44 : x
  2. Step 2: Convert to fraction form
    87,825.06/121,167.09 = 50,077.44/x
  3. Step 3: Cross multiply
    87,825.06x = 121,167.09 × 50,077.44
  4. Step 4: Simplify right side
    87,825.06x = 6,067,737,679.45
  5. Step 5: Solve for x
    x = 6,067,737,679.45/87,825.06
  6. Step 6: Final answer
    x = 69,088.91

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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.