Home / 48,360.78-72,488.25-31,732.29

Finding the Fourth Proportional to 48,360.78, 72,488.25 and 31,732.29

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Solution

The fourth proportional to 48,360.78, 72,488.25 and 31,732.29 is: 47,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,360.78 : 72,488.25 = 31,732.29 : x
  2. Step 2: Convert to fraction form
    48,360.78/72,488.25 = 31,732.29/x
  3. Step 3: Cross multiply
    48,360.78x = 72,488.25 × 31,732.29
  4. Step 4: Simplify right side
    48,360.78x = 2,300,218,170.59
  5. Step 5: Solve for x
    x = 2,300,218,170.59/48,360.78
  6. Step 6: Final answer
    x = 47,563.71

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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.