Home / 54,158.67-74,708.96-31,495.19

Finding the Fourth Proportional to 54,158.67, 74,708.96 and 31,495.19

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Solution

The fourth proportional to 54,158.67, 74,708.96 and 31,495.19 is: 43,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.67 : 74,708.96 = 31,495.19 : x
  2. Step 2: Convert to fraction form
    54,158.67/74,708.96 = 31,495.19/x
  3. Step 3: Cross multiply
    54,158.67x = 74,708.96 × 31,495.19
  4. Step 4: Simplify right side
    54,158.67x = 2,352,972,358.88
  5. Step 5: Solve for x
    x = 2,352,972,358.88/54,158.67
  6. Step 6: Final answer
    x = 43,445.90

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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.