Home / 126,759.54-174,930.23-69,397.90

Finding the Fourth Proportional to 126,759.54, 174,930.23 and 69,397.90

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Solution

The fourth proportional to 126,759.54, 174,930.23 and 69,397.90 is: 95,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,759.54 : 174,930.23 = 69,397.90 : x
  2. Step 2: Convert to fraction form
    126,759.54/174,930.23 = 69,397.90/x
  3. Step 3: Cross multiply
    126,759.54x = 174,930.23 × 69,397.90
  4. Step 4: Simplify right side
    126,759.54x = 12,139,789,386.88
  5. Step 5: Solve for x
    x = 12,139,789,386.88/126,759.54
  6. Step 6: Final answer
    x = 95,770.23

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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.