Home / 99,827.43-137,712.12-59,512.79

Finding the Fourth Proportional to 99,827.43, 137,712.12 and 59,512.79

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Solution

The fourth proportional to 99,827.43, 137,712.12 and 59,512.79 is: 82,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.43 : 137,712.12 = 59,512.79 : x
  2. Step 2: Convert to fraction form
    99,827.43/137,712.12 = 59,512.79/x
  3. Step 3: Cross multiply
    99,827.43x = 137,712.12 × 59,512.79
  4. Step 4: Simplify right side
    99,827.43x = 8,195,631,789.45
  5. Step 5: Solve for x
    x = 8,195,631,789.45/99,827.43
  6. Step 6: Final answer
    x = 82,097.99

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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.