Home / 52,979.56-73,079.40-31,454.71

Finding the Fourth Proportional to 52,979.56, 73,079.40 and 31,454.71

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Solution

The fourth proportional to 52,979.56, 73,079.40 and 31,454.71 is: 43,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.56 : 73,079.40 = 31,454.71 : x
  2. Step 2: Convert to fraction form
    52,979.56/73,079.40 = 31,454.71/x
  3. Step 3: Cross multiply
    52,979.56x = 73,079.40 × 31,454.71
  4. Step 4: Simplify right side
    52,979.56x = 2,298,691,333.97
  5. Step 5: Solve for x
    x = 2,298,691,333.97/52,979.56
  6. Step 6: Final answer
    x = 43,388.27

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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.