Home / 41,121.30-61,718.40-35,580.90

Finding the Fourth Proportional to 41,121.30, 61,718.40 and 35,580.90

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Solution

The fourth proportional to 41,121.30, 61,718.40 and 35,580.90 is: 53,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.30 : 61,718.40 = 35,580.90 : x
  2. Step 2: Convert to fraction form
    41,121.30/61,718.40 = 35,580.90/x
  3. Step 3: Cross multiply
    41,121.30x = 61,718.40 × 35,580.90
  4. Step 4: Simplify right side
    41,121.30x = 2,195,996,218.56
  5. Step 5: Solve for x
    x = 2,195,996,218.56/41,121.30
  6. Step 6: Final answer
    x = 53,402.89

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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.