Home / 105,910.13-146,250.92-79,005.93

Finding the Fourth Proportional to 105,910.13, 146,250.92 and 79,005.93

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Solution

The fourth proportional to 105,910.13, 146,250.92 and 79,005.93 is: 109,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,910.13 : 146,250.92 = 79,005.93 : x
  2. Step 2: Convert to fraction form
    105,910.13/146,250.92 = 79,005.93/x
  3. Step 3: Cross multiply
    105,910.13x = 146,250.92 × 79,005.93
  4. Step 4: Simplify right side
    105,910.13x = 11,554,689,975.28
  5. Step 5: Solve for x
    x = 11,554,689,975.28/105,910.13
  6. Step 6: Final answer
    x = 109,099.00

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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.