Home / 126,091.98-174,004.50-68,731.80

Finding the Fourth Proportional to 126,091.98, 174,004.50 and 68,731.80

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Solution

The fourth proportional to 126,091.98, 174,004.50 and 68,731.80 is: 94,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,091.98 : 174,004.50 = 68,731.80 : x
  2. Step 2: Convert to fraction form
    126,091.98/174,004.50 = 68,731.80/x
  3. Step 3: Cross multiply
    126,091.98x = 174,004.50 × 68,731.80
  4. Step 4: Simplify right side
    126,091.98x = 11,959,642,493.10
  5. Step 5: Solve for x
    x = 11,959,642,493.10/126,091.98
  6. Step 6: Final answer
    x = 94,848.56

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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.