Home / 105,949.98-158,777.19-79,623.90

Finding the Fourth Proportional to 105,949.98, 158,777.19 and 79,623.90

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Solution

The fourth proportional to 105,949.98, 158,777.19 and 79,623.90 is: 119,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,949.98 : 158,777.19 = 79,623.90 : x
  2. Step 2: Convert to fraction form
    105,949.98/158,777.19 = 79,623.90/x
  3. Step 3: Cross multiply
    105,949.98x = 158,777.19 × 79,623.90
  4. Step 4: Simplify right side
    105,949.98x = 12,642,459,098.84
  5. Step 5: Solve for x
    x = 12,642,459,098.84/105,949.98
  6. Step 6: Final answer
    x = 119,324.79

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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.