Home / 79,253.66-109,381.24-49,048.70

Finding the Fourth Proportional to 79,253.66, 109,381.24 and 49,048.70

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Solution

The fourth proportional to 79,253.66, 109,381.24 and 49,048.70 is: 67,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,253.66 : 109,381.24 = 49,048.70 : x
  2. Step 2: Convert to fraction form
    79,253.66/109,381.24 = 49,048.70/x
  3. Step 3: Cross multiply
    79,253.66x = 109,381.24 × 49,048.70
  4. Step 4: Simplify right side
    79,253.66x = 5,365,007,626.39
  5. Step 5: Solve for x
    x = 5,365,007,626.39/79,253.66
  6. Step 6: Final answer
    x = 67,694.13

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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.