Home / 126,500.49-174,568.91-69,910.65

Finding the Fourth Proportional to 126,500.49, 174,568.91 and 69,910.65

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Solution

The fourth proportional to 126,500.49, 174,568.91 and 69,910.65 is: 96,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.49 : 174,568.91 = 69,910.65 : x
  2. Step 2: Convert to fraction form
    126,500.49/174,568.91 = 69,910.65/x
  3. Step 3: Cross multiply
    126,500.49x = 174,568.91 × 69,910.65
  4. Step 4: Simplify right side
    126,500.49x = 12,204,225,618.34
  5. Step 5: Solve for x
    x = 12,204,225,618.34/126,500.49
  6. Step 6: Final answer
    x = 96,475.72

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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.