Home / 79,436.28-109,673.46-49,253.70

Finding the Fourth Proportional to 79,436.28, 109,673.46 and 49,253.70

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Solution

The fourth proportional to 79,436.28, 109,673.46 and 49,253.70 is: 68,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.28 : 109,673.46 = 49,253.70 : x
  2. Step 2: Convert to fraction form
    79,436.28/109,673.46 = 49,253.70/x
  3. Step 3: Cross multiply
    79,436.28x = 109,673.46 × 49,253.70
  4. Step 4: Simplify right side
    79,436.28x = 5,401,823,696.80
  5. Step 5: Solve for x
    x = 5,401,823,696.80/79,436.28
  6. Step 6: Final answer
    x = 68,001.97

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1.5x scale

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.