Home / 48,939.27-73,393.11-13,869.51

Finding the Fourth Proportional to 48,939.27, 73,393.11 and 13,869.51

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Solution

The fourth proportional to 48,939.27, 73,393.11 and 13,869.51 is: 20,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.27 : 73,393.11 = 13,869.51 : x
  2. Step 2: Convert to fraction form
    48,939.27/73,393.11 = 13,869.51/x
  3. Step 3: Cross multiply
    48,939.27x = 73,393.11 × 13,869.51
  4. Step 4: Simplify right side
    48,939.27x = 1,017,926,473.08
  5. Step 5: Solve for x
    x = 1,017,926,473.08/48,939.27
  6. Step 6: Final answer
    x = 20,799.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.