Home / 83,716.50-115,528.82-45,993.18

Finding the Fourth Proportional to 83,716.50, 115,528.82 and 45,993.18

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Solution

The fourth proportional to 83,716.50, 115,528.82 and 45,993.18 is: 63,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.50 : 115,528.82 = 45,993.18 : x
  2. Step 2: Convert to fraction form
    83,716.50/115,528.82 = 45,993.18/x
  3. Step 3: Cross multiply
    83,716.50x = 115,528.82 × 45,993.18
  4. Step 4: Simplify right side
    83,716.50x = 5,313,537,583.48
  5. Step 5: Solve for x
    x = 5,313,537,583.48/83,716.50
  6. Step 6: Final answer
    x = 63,470.61

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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.