Home / 40,754.96-61,042.12-31,325.54

Finding the Fourth Proportional to 40,754.96, 61,042.12 and 31,325.54

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Solution

The fourth proportional to 40,754.96, 61,042.12 and 31,325.54 is: 46,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,754.96 : 61,042.12 = 31,325.54 : x
  2. Step 2: Convert to fraction form
    40,754.96/61,042.12 = 31,325.54/x
  3. Step 3: Cross multiply
    40,754.96x = 61,042.12 × 31,325.54
  4. Step 4: Simplify right side
    40,754.96x = 1,912,177,446.04
  5. Step 5: Solve for x
    x = 1,912,177,446.04/40,754.96
  6. Step 6: Final answer
    x = 46,918.89

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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.