Home / 41,245.76-61,868.10-10,081.28

Finding the Fourth Proportional to 41,245.76, 61,868.10 and 10,081.28

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Solution

The fourth proportional to 41,245.76, 61,868.10 and 10,081.28 is: 15,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,245.76 : 61,868.10 = 10,081.28 : x
  2. Step 2: Convert to fraction form
    41,245.76/61,868.10 = 10,081.28/x
  3. Step 3: Cross multiply
    41,245.76x = 61,868.10 × 10,081.28
  4. Step 4: Simplify right side
    41,245.76x = 623,709,639.17
  5. Step 5: Solve for x
    x = 623,709,639.17/41,245.76
  6. Step 6: Final answer
    x = 15,121.79

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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.