Home / 83,279.20-114,924.36-45,553

Finding the Fourth Proportional to 83,279.20, 114,924.36 and 45,553

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Solution

The fourth proportional to 83,279.20, 114,924.36 and 45,553 is: 62,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,279.20 : 114,924.36 = 45,553 : x
  2. Step 2: Convert to fraction form
    83,279.20/114,924.36 = 45,553/x
  3. Step 3: Cross multiply
    83,279.20x = 114,924.36 × 45,553
  4. Step 4: Simplify right side
    83,279.20x = 5,235,149,371.08
  5. Step 5: Solve for x
    x = 5,235,149,371.08/83,279.20
  6. Step 6: Final answer
    x = 62,862.63

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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.