Home / 126,763.38-174,932.87-68,619.96

Finding the Fourth Proportional to 126,763.38, 174,932.87 and 68,619.96

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Solution

The fourth proportional to 126,763.38, 174,932.87 and 68,619.96 is: 94,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,763.38 : 174,932.87 = 68,619.96 : x
  2. Step 2: Convert to fraction form
    126,763.38/174,932.87 = 68,619.96/x
  3. Step 3: Cross multiply
    126,763.38x = 174,932.87 × 68,619.96
  4. Step 4: Simplify right side
    126,763.38x = 12,003,886,198.99
  5. Step 5: Solve for x
    x = 12,003,886,198.99/126,763.38
  6. Step 6: Final answer
    x = 94,695.22

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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.