Home / 83,839.24-115,706.64-48,034

Finding the Fourth Proportional to 83,839.24, 115,706.64 and 48,034

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Solution

The fourth proportional to 83,839.24, 115,706.64 and 48,034 is: 66,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839.24 : 115,706.64 = 48,034 : x
  2. Step 2: Convert to fraction form
    83,839.24/115,706.64 = 48,034/x
  3. Step 3: Cross multiply
    83,839.24x = 115,706.64 × 48,034
  4. Step 4: Simplify right side
    83,839.24x = 5,557,852,745.76
  5. Step 5: Solve for x
    x = 5,557,852,745.76/83,839.24
  6. Step 6: Final answer
    x = 66,291.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.