Home / 126,986.55-175,243.41-69,631.11

Finding the Fourth Proportional to 126,986.55, 175,243.41 and 69,631.11

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Solution

The fourth proportional to 126,986.55, 175,243.41 and 69,631.11 is: 96,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.55 : 175,243.41 = 69,631.11 : x
  2. Step 2: Convert to fraction form
    126,986.55/175,243.41 = 69,631.11/x
  3. Step 3: Cross multiply
    126,986.55x = 175,243.41 × 69,631.11
  4. Step 4: Simplify right side
    126,986.55x = 12,202,393,158.49
  5. Step 5: Solve for x
    x = 12,202,393,158.49/126,986.55
  6. Step 6: Final answer
    x = 96,092.01

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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.