Home / 55,319.20-82,760.10-48,004.90

Finding the Fourth Proportional to 55,319.20, 82,760.10 and 48,004.90

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Solution

The fourth proportional to 55,319.20, 82,760.10 and 48,004.90 is: 71,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319.20 : 82,760.10 = 48,004.90 : x
  2. Step 2: Convert to fraction form
    55,319.20/82,760.10 = 48,004.90/x
  3. Step 3: Cross multiply
    55,319.20x = 82,760.10 × 48,004.90
  4. Step 4: Simplify right side
    55,319.20x = 3,972,890,324.49
  5. Step 5: Solve for x
    x = 3,972,890,324.49/55,319.20
  6. Step 6: Final answer
    x = 71,817.57

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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.