Home / 126,764.38-174,934.24-68,620.96

Finding the Fourth Proportional to 126,764.38, 174,934.24 and 68,620.96

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Solution

The fourth proportional to 126,764.38, 174,934.24 and 68,620.96 is: 94,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,764.38 : 174,934.24 = 68,620.96 : x
  2. Step 2: Convert to fraction form
    126,764.38/174,934.24 = 68,620.96/x
  3. Step 3: Cross multiply
    126,764.38x = 174,934.24 × 68,620.96
  4. Step 4: Simplify right side
    126,764.38x = 12,004,155,485.67
  5. Step 5: Solve for x
    x = 12,004,155,485.67/126,764.38
  6. Step 6: Final answer
    x = 94,696.60

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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.