Home / 126,040.88-173,940.12-69,455.90

Finding the Fourth Proportional to 126,040.88, 173,940.12 and 69,455.90

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Solution

The fourth proportional to 126,040.88, 173,940.12 and 69,455.90 is: 95,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,040.88 : 173,940.12 = 69,455.90 : x
  2. Step 2: Convert to fraction form
    126,040.88/173,940.12 = 69,455.90/x
  3. Step 3: Cross multiply
    126,040.88x = 173,940.12 × 69,455.90
  4. Step 4: Simplify right side
    126,040.88x = 12,081,167,580.71
  5. Step 5: Solve for x
    x = 12,081,167,580.71/126,040.88
  6. Step 6: Final answer
    x = 95,851.18

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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.