Home / 48,134.05-72,201.38-31,508.04

Finding the Fourth Proportional to 48,134.05, 72,201.38 and 31,508.04

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Solution

The fourth proportional to 48,134.05, 72,201.38 and 31,508.04 is: 47,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,134.05 : 72,201.38 = 31,508.04 : x
  2. Step 2: Convert to fraction form
    48,134.05/72,201.38 = 31,508.04/x
  3. Step 3: Cross multiply
    48,134.05x = 72,201.38 × 31,508.04
  4. Step 4: Simplify right side
    48,134.05x = 2,274,923,676.18
  5. Step 5: Solve for x
    x = 2,274,923,676.18/48,134.05
  6. Step 6: Final answer
    x = 47,262.26

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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.