Home / 69,983.28-96,576.96-38,151.52

Finding the Fourth Proportional to 69,983.28, 96,576.96 and 38,151.52

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Solution

The fourth proportional to 69,983.28, 96,576.96 and 38,151.52 is: 52,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983.28 : 96,576.96 = 38,151.52 : x
  2. Step 2: Convert to fraction form
    69,983.28/96,576.96 = 38,151.52/x
  3. Step 3: Cross multiply
    69,983.28x = 96,576.96 × 38,151.52
  4. Step 4: Simplify right side
    69,983.28x = 3,684,557,820.98
  5. Step 5: Solve for x
    x = 3,684,557,820.98/69,983.28
  6. Step 6: Final answer
    x = 52,649.12

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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.