Home / 83,245.18-114,876.60-45,519.40

Finding the Fourth Proportional to 83,245.18, 114,876.60 and 45,519.40

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Solution

The fourth proportional to 83,245.18, 114,876.60 and 45,519.40 is: 62,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,245.18 : 114,876.60 = 45,519.40 : x
  2. Step 2: Convert to fraction form
    83,245.18/114,876.60 = 45,519.40/x
  3. Step 3: Cross multiply
    83,245.18x = 114,876.60 × 45,519.40
  4. Step 4: Simplify right side
    83,245.18x = 5,229,113,906.04
  5. Step 5: Solve for x
    x = 5,229,113,906.04/83,245.18
  6. Step 6: Final answer
    x = 62,815.82

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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.