Home / 83,505.26-115,232.37-49,517.01

Finding the Fourth Proportional to 83,505.26, 115,232.37 and 49,517.01

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Solution

The fourth proportional to 83,505.26, 115,232.37 and 49,517.01 is: 68,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,505.26 : 115,232.37 = 49,517.01 : x
  2. Step 2: Convert to fraction form
    83,505.26/115,232.37 = 49,517.01/x
  3. Step 3: Cross multiply
    83,505.26x = 115,232.37 × 49,517.01
  4. Step 4: Simplify right side
    83,505.26x = 5,705,962,417.61
  5. Step 5: Solve for x
    x = 5,705,962,417.61/83,505.26
  6. Step 6: Final answer
    x = 68,330.58

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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.