Home / 83,481.40-125,181.14-41,312.76

Finding the Fourth Proportional to 83,481.40, 125,181.14 and 41,312.76

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Solution

The fourth proportional to 83,481.40, 125,181.14 and 41,312.76 is: 61,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.40 : 125,181.14 = 41,312.76 : x
  2. Step 2: Convert to fraction form
    83,481.40/125,181.14 = 41,312.76/x
  3. Step 3: Cross multiply
    83,481.40x = 125,181.14 × 41,312.76
  4. Step 4: Simplify right side
    83,481.40x = 5,171,578,393.35
  5. Step 5: Solve for x
    x = 5,171,578,393.35/83,481.40
  6. Step 6: Final answer
    x = 61,948.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.