Home / 51,661.73-77,418.60-29,429.20

Finding the Fourth Proportional to 51,661.73, 77,418.60 and 29,429.20

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Solution

The fourth proportional to 51,661.73, 77,418.60 and 29,429.20 is: 44,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.73 : 77,418.60 = 29,429.20 : x
  2. Step 2: Convert to fraction form
    51,661.73/77,418.60 = 29,429.20/x
  3. Step 3: Cross multiply
    51,661.73x = 77,418.60 × 29,429.20
  4. Step 4: Simplify right side
    51,661.73x = 2,278,367,449.53
  5. Step 5: Solve for x
    x = 2,278,367,449.53/51,661.73
  6. Step 6: Final answer
    x = 44,101.65

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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.