Home / 79,606.14-109,781.91-49,396.38

Finding the Fourth Proportional to 79,606.14, 109,781.91 and 49,396.38

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Solution

The fourth proportional to 79,606.14, 109,781.91 and 49,396.38 is: 68,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,606.14 : 109,781.91 = 49,396.38 : x
  2. Step 2: Convert to fraction form
    79,606.14/109,781.91 = 49,396.38/x
  3. Step 3: Cross multiply
    79,606.14x = 109,781.91 × 49,396.38
  4. Step 4: Simplify right side
    79,606.14x = 5,422,828,943.49
  5. Step 5: Solve for x
    x = 5,422,828,943.49/79,606.14
  6. Step 6: Final answer
    x = 68,120.74

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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.