Home / 107,981.48-149,021.30-60,234.73

Finding the Fourth Proportional to 107,981.48, 149,021.30 and 60,234.73

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Solution

The fourth proportional to 107,981.48, 149,021.30 and 60,234.73 is: 83,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,981.48 : 149,021.30 = 60,234.73 : x
  2. Step 2: Convert to fraction form
    107,981.48/149,021.30 = 60,234.73/x
  3. Step 3: Cross multiply
    107,981.48x = 149,021.30 × 60,234.73
  4. Step 4: Simplify right side
    107,981.48x = 8,976,257,769.75
  5. Step 5: Solve for x
    x = 8,976,257,769.75/107,981.48
  6. Step 6: Final answer
    x = 83,127.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.