Home / 83,803.20-115,646.52-45,562.20

Finding the Fourth Proportional to 83,803.20, 115,646.52 and 45,562.20

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Solution

The fourth proportional to 83,803.20, 115,646.52 and 45,562.20 is: 62,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,803.20 : 115,646.52 = 45,562.20 : x
  2. Step 2: Convert to fraction form
    83,803.20/115,646.52 = 45,562.20/x
  3. Step 3: Cross multiply
    83,803.20x = 115,646.52 × 45,562.20
  4. Step 4: Simplify right side
    83,803.20x = 5,269,109,873.54
  5. Step 5: Solve for x
    x = 5,269,109,873.54/83,803.20
  6. Step 6: Final answer
    x = 62,874.81

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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.