Home / 126,762.42-174,932.18-70,173.79

Finding the Fourth Proportional to 126,762.42, 174,932.18 and 70,173.79

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Solution

The fourth proportional to 126,762.42, 174,932.18 and 70,173.79 is: 96,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,762.42 : 174,932.18 = 70,173.79 : x
  2. Step 2: Convert to fraction form
    126,762.42/174,932.18 = 70,173.79/x
  3. Step 3: Cross multiply
    126,762.42x = 174,932.18 × 70,173.79
  4. Step 4: Simplify right side
    126,762.42x = 12,275,654,063.56
  5. Step 5: Solve for x
    x = 12,275,654,063.56/126,762.42
  6. Step 6: Final answer
    x = 96,839.85

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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.