Home / 126,874.21-175,092.10-70,281.94

Finding the Fourth Proportional to 126,874.21, 175,092.10 and 70,281.94

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Solution

The fourth proportional to 126,874.21, 175,092.10 and 70,281.94 is: 96,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,874.21 : 175,092.10 = 70,281.94 : x
  2. Step 2: Convert to fraction form
    126,874.21/175,092.10 = 70,281.94/x
  3. Step 3: Cross multiply
    126,874.21x = 175,092.10 × 70,281.94
  4. Step 4: Simplify right side
    126,874.21x = 12,305,811,591.21
  5. Step 5: Solve for x
    x = 12,305,811,591.21/126,874.21
  6. Step 6: Final answer
    x = 96,992.23

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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.