Home / 126,760.42-174,929.42-70,171.79

Finding the Fourth Proportional to 126,760.42, 174,929.42 and 70,171.79

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Solution

The fourth proportional to 126,760.42, 174,929.42 and 70,171.79 is: 96,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,760.42 : 174,929.42 = 70,171.79 : x
  2. Step 2: Convert to fraction form
    126,760.42/174,929.42 = 70,171.79/x
  3. Step 3: Cross multiply
    126,760.42x = 174,929.42 × 70,171.79
  4. Step 4: Simplify right side
    126,760.42x = 12,275,110,525.06
  5. Step 5: Solve for x
    x = 12,275,110,525.06/126,760.42
  6. Step 6: Final answer
    x = 96,837.09

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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.