Home / 71,945.31-99,291.92-43,274.19

Finding the Fourth Proportional to 71,945.31, 99,291.92 and 43,274.19

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Solution

The fourth proportional to 71,945.31, 99,291.92 and 43,274.19 is: 59,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,945.31 : 99,291.92 = 43,274.19 : x
  2. Step 2: Convert to fraction form
    71,945.31/99,291.92 = 43,274.19/x
  3. Step 3: Cross multiply
    71,945.31x = 99,291.92 × 43,274.19
  4. Step 4: Simplify right side
    71,945.31x = 4,296,777,195.17
  5. Step 5: Solve for x
    x = 4,296,777,195.17/71,945.31
  6. Step 6: Final answer
    x = 59,722.83

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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.