Home / 41,131.24-61,345.94-40,420.46

Finding the Fourth Proportional to 41,131.24, 61,345.94 and 40,420.46

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Solution

The fourth proportional to 41,131.24, 61,345.94 and 40,420.46 is: 60,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.24 : 61,345.94 = 40,420.46 : x
  2. Step 2: Convert to fraction form
    41,131.24/61,345.94 = 40,420.46/x
  3. Step 3: Cross multiply
    41,131.24x = 61,345.94 × 40,420.46
  4. Step 4: Simplify right side
    41,131.24x = 2,479,631,113.93
  5. Step 5: Solve for x
    x = 2,479,631,113.93/41,131.24
  6. Step 6: Final answer
    x = 60,285.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.