Home / 126,041.38-173,940.81-69,456.40

Finding the Fourth Proportional to 126,041.38, 173,940.81 and 69,456.40

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Solution

The fourth proportional to 126,041.38, 173,940.81 and 69,456.40 is: 95,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.38 : 173,940.81 = 69,456.40 : x
  2. Step 2: Convert to fraction form
    126,041.38/173,940.81 = 69,456.40/x
  3. Step 3: Cross multiply
    126,041.38x = 173,940.81 × 69,456.40
  4. Step 4: Simplify right side
    126,041.38x = 12,081,302,475.68
  5. Step 5: Solve for x
    x = 12,081,302,475.68/126,041.38
  6. Step 6: Final answer
    x = 95,851.87

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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.