Home / 67,960.92-93,786.66-39,661.08

Finding the Fourth Proportional to 67,960.92, 93,786.66 and 39,661.08

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Solution

The fourth proportional to 67,960.92, 93,786.66 and 39,661.08 is: 54,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,960.92 : 93,786.66 = 39,661.08 : x
  2. Step 2: Convert to fraction form
    67,960.92/93,786.66 = 39,661.08/x
  3. Step 3: Cross multiply
    67,960.92x = 93,786.66 × 39,661.08
  4. Step 4: Simplify right side
    67,960.92x = 3,719,680,225.19
  5. Step 5: Solve for x
    x = 3,719,680,225.19/67,960.92
  6. Step 6: Final answer
    x = 54,732.63

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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.