Home / 126,133.03-174,064.94-68,771.88

Finding the Fourth Proportional to 126,133.03, 174,064.94 and 68,771.88

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Solution

The fourth proportional to 126,133.03, 174,064.94 and 68,771.88 is: 94,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.03 : 174,064.94 = 68,771.88 : x
  2. Step 2: Convert to fraction form
    126,133.03/174,064.94 = 68,771.88/x
  3. Step 3: Cross multiply
    126,133.03x = 174,064.94 × 68,771.88
  4. Step 4: Simplify right side
    126,133.03x = 11,970,772,822.03
  5. Step 5: Solve for x
    x = 11,970,772,822.03/126,133.03
  6. Step 6: Final answer
    x = 94,905.93

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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.