Home / 48,331.64-66,735.42-31,343.96

Finding the Fourth Proportional to 48,331.64, 66,735.42 and 31,343.96

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Solution

The fourth proportional to 48,331.64, 66,735.42 and 31,343.96 is: 43,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331.64 : 66,735.42 = 31,343.96 : x
  2. Step 2: Convert to fraction form
    48,331.64/66,735.42 = 31,343.96/x
  3. Step 3: Cross multiply
    48,331.64x = 66,735.42 × 31,343.96
  4. Step 4: Simplify right side
    48,331.64x = 2,091,752,335.06
  5. Step 5: Solve for x
    x = 2,091,752,335.06/48,331.64
  6. Step 6: Final answer
    x = 43,279.15

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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.