Home / 126,132.28-174,063.90-68,771.13

Finding the Fourth Proportional to 126,132.28, 174,063.90 and 68,771.13

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Solution

The fourth proportional to 126,132.28, 174,063.90 and 68,771.13 is: 94,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.28 : 174,063.90 = 68,771.13 : x
  2. Step 2: Convert to fraction form
    126,132.28/174,063.90 = 68,771.13/x
  3. Step 3: Cross multiply
    126,132.28x = 174,063.90 × 68,771.13
  4. Step 4: Simplify right side
    126,132.28x = 11,970,570,410.23
  5. Step 5: Solve for x
    x = 11,970,570,410.23/126,132.28
  6. Step 6: Final answer
    x = 94,904.89

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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.