Home / 87,908.84-121,335.90-50,204.96

Finding the Fourth Proportional to 87,908.84, 121,335.90 and 50,204.96

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Solution

The fourth proportional to 87,908.84, 121,335.90 and 50,204.96 is: 69,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.84 : 121,335.90 = 50,204.96 : x
  2. Step 2: Convert to fraction form
    87,908.84/121,335.90 = 50,204.96/x
  3. Step 3: Cross multiply
    87,908.84x = 121,335.90 × 50,204.96
  4. Step 4: Simplify right side
    87,908.84x = 6,091,664,006.06
  5. Step 5: Solve for x
    x = 6,091,664,006.06/87,908.84
  6. Step 6: Final answer
    x = 69,295.24

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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.