Home / 55,108.20-82,443.60-47,793.90

Finding the Fourth Proportional to 55,108.20, 82,443.60 and 47,793.90

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Solution

The fourth proportional to 55,108.20, 82,443.60 and 47,793.90 is: 71,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.20 : 82,443.60 = 47,793.90 : x
  2. Step 2: Convert to fraction form
    55,108.20/82,443.60 = 47,793.90/x
  3. Step 3: Cross multiply
    55,108.20x = 82,443.60 × 47,793.90
  4. Step 4: Simplify right side
    55,108.20x = 3,940,301,174.04
  5. Step 5: Solve for x
    x = 3,940,301,174.04/55,108.20
  6. Step 6: Final answer
    x = 71,501.18

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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.