Home / 83,874.11-115,747.65-45,634.41

Finding the Fourth Proportional to 83,874.11, 115,747.65 and 45,634.41

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Solution

The fourth proportional to 83,874.11, 115,747.65 and 45,634.41 is: 62,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,874.11 : 115,747.65 = 45,634.41 : x
  2. Step 2: Convert to fraction form
    83,874.11/115,747.65 = 45,634.41/x
  3. Step 3: Cross multiply
    83,874.11x = 115,747.65 × 45,634.41
  4. Step 4: Simplify right side
    83,874.11x = 5,282,075,716.64
  5. Step 5: Solve for x
    x = 5,282,075,716.64/83,874.11
  6. Step 6: Final answer
    x = 62,976.24

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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.