Home / 87,933.27-121,346.31-49,691.97

Finding the Fourth Proportional to 87,933.27, 121,346.31 and 49,691.97

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Solution

The fourth proportional to 87,933.27, 121,346.31 and 49,691.97 is: 68,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.27 : 121,346.31 = 49,691.97 : x
  2. Step 2: Convert to fraction form
    87,933.27/121,346.31 = 49,691.97/x
  3. Step 3: Cross multiply
    87,933.27x = 121,346.31 × 49,691.97
  4. Step 4: Simplify right side
    87,933.27x = 6,029,937,196.13
  5. Step 5: Solve for x
    x = 6,029,937,196.13/87,933.27
  6. Step 6: Final answer
    x = 68,574.01

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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.