Home / 83,178.26-114,788.84-45,454.94

Finding the Fourth Proportional to 83,178.26, 114,788.84 and 45,454.94

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Solution

The fourth proportional to 83,178.26, 114,788.84 and 45,454.94 is: 62,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.26 : 114,788.84 = 45,454.94 : x
  2. Step 2: Convert to fraction form
    83,178.26/114,788.84 = 45,454.94/x
  3. Step 3: Cross multiply
    83,178.26x = 114,788.84 × 45,454.94
  4. Step 4: Simplify right side
    83,178.26x = 5,217,719,834.87
  5. Step 5: Solve for x
    x = 5,217,719,834.87/83,178.26
  6. Step 6: Final answer
    x = 62,729.37

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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.