Home / 87,826.84-121,171.14-49,581.88

Finding the Fourth Proportional to 87,826.84, 121,171.14 and 49,581.88

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Solution

The fourth proportional to 87,826.84, 121,171.14 and 49,581.88 is: 68,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.84 : 121,171.14 = 49,581.88 : x
  2. Step 2: Convert to fraction form
    87,826.84/121,171.14 = 49,581.88/x
  3. Step 3: Cross multiply
    87,826.84x = 121,171.14 × 49,581.88
  4. Step 4: Simplify right side
    87,826.84x = 6,007,892,922.94
  5. Step 5: Solve for x
    x = 6,007,892,922.94/87,826.84
  6. Step 6: Final answer
    x = 68,406.12

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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.