Home / 126,719.44-174,871.48-68,574.90

Finding the Fourth Proportional to 126,719.44, 174,871.48 and 68,574.90

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Solution

The fourth proportional to 126,719.44, 174,871.48 and 68,574.90 is: 94,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,719.44 : 174,871.48 = 68,574.90 : x
  2. Step 2: Convert to fraction form
    126,719.44/174,871.48 = 68,574.90/x
  3. Step 3: Cross multiply
    126,719.44x = 174,871.48 × 68,574.90
  4. Step 4: Simplify right side
    126,719.44x = 11,991,794,253.85
  5. Step 5: Solve for x
    x = 11,991,794,253.85/126,719.44
  6. Step 6: Final answer
    x = 94,632.63

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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.