Home / 69,687.97-96,158-41,031.78

Finding the Fourth Proportional to 69,687.97, 96,158 and 41,031.78

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Solution

The fourth proportional to 69,687.97, 96,158 and 41,031.78 is: 56,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,687.97 : 96,158 = 41,031.78 : x
  2. Step 2: Convert to fraction form
    69,687.97/96,158 = 41,031.78/x
  3. Step 3: Cross multiply
    69,687.97x = 96,158 × 41,031.78
  4. Step 4: Simplify right side
    69,687.97x = 3,945,533,901.24
  5. Step 5: Solve for x
    x = 3,945,533,901.24/69,687.97
  6. Step 6: Final answer
    x = 56,617.14

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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.