Home / 87,922.83-121,339.52-49,669.17

Finding the Fourth Proportional to 87,922.83, 121,339.52 and 49,669.17

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Solution

The fourth proportional to 87,922.83, 121,339.52 and 49,669.17 is: 68,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922.83 : 121,339.52 = 49,669.17 : x
  2. Step 2: Convert to fraction form
    87,922.83/121,339.52 = 49,669.17/x
  3. Step 3: Cross multiply
    87,922.83x = 121,339.52 × 49,669.17
  4. Step 4: Simplify right side
    87,922.83x = 6,026,832,998.25
  5. Step 5: Solve for x
    x = 6,026,832,998.25/87,922.83
  6. Step 6: Final answer
    x = 68,546.85

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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.