Home / 126,758.42-174,926.66-70,169.79

Finding the Fourth Proportional to 126,758.42, 174,926.66 and 70,169.79

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Solution

The fourth proportional to 126,758.42, 174,926.66 and 70,169.79 is: 96,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,758.42 : 174,926.66 = 70,169.79 : x
  2. Step 2: Convert to fraction form
    126,758.42/174,926.66 = 70,169.79/x
  3. Step 3: Cross multiply
    126,758.42x = 174,926.66 × 70,169.79
  4. Step 4: Simplify right side
    126,758.42x = 12,274,567,302.73
  5. Step 5: Solve for x
    x = 12,274,567,302.73/126,758.42
  6. Step 6: Final answer
    x = 96,834.34

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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.