Home / 96,002.78-144,035.76-45,423.54

Finding the Fourth Proportional to 96,002.78, 144,035.76 and 45,423.54

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Solution

The fourth proportional to 96,002.78, 144,035.76 and 45,423.54 is: 68,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,002.78 : 144,035.76 = 45,423.54 : x
  2. Step 2: Convert to fraction form
    96,002.78/144,035.76 = 45,423.54/x
  3. Step 3: Cross multiply
    96,002.78x = 144,035.76 × 45,423.54
  4. Step 4: Simplify right side
    96,002.78x = 6,542,614,105.79
  5. Step 5: Solve for x
    x = 6,542,614,105.79/96,002.78
  6. Step 6: Final answer
    x = 68,150.26

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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.