Home / 54,285.13-81,307.39-41,712.61

Finding the Fourth Proportional to 54,285.13, 81,307.39 and 41,712.61

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Solution

The fourth proportional to 54,285.13, 81,307.39 and 41,712.61 is: 62,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.13 : 81,307.39 = 41,712.61 : x
  2. Step 2: Convert to fraction form
    54,285.13/81,307.39 = 41,712.61/x
  3. Step 3: Cross multiply
    54,285.13x = 81,307.39 × 41,712.61
  4. Step 4: Simplify right side
    54,285.13x = 3,391,543,449.19
  5. Step 5: Solve for x
    x = 3,391,543,449.19/54,285.13
  6. Step 6: Final answer
    x = 62,476.47

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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.