Home / 54,658.28-75,433.79-31,995.90

Finding the Fourth Proportional to 54,658.28, 75,433.79 and 31,995.90

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Solution

The fourth proportional to 54,658.28, 75,433.79 and 31,995.90 is: 44,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.28 : 75,433.79 = 31,995.90 : x
  2. Step 2: Convert to fraction form
    54,658.28/75,433.79 = 31,995.90/x
  3. Step 3: Cross multiply
    54,658.28x = 75,433.79 × 31,995.90
  4. Step 4: Simplify right side
    54,658.28x = 2,413,571,841.48
  5. Step 5: Solve for x
    x = 2,413,571,841.48/54,658.28
  6. Step 6: Final answer
    x = 44,157.48

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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.