Home / 79,436.28-109,623.97-43,627.06

Finding the Fourth Proportional to 79,436.28, 109,623.97 and 43,627.06

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Solution

The fourth proportional to 79,436.28, 109,623.97 and 43,627.06 is: 60,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.28 : 109,623.97 = 43,627.06 : x
  2. Step 2: Convert to fraction form
    79,436.28/109,623.97 = 43,627.06/x
  3. Step 3: Cross multiply
    79,436.28x = 109,623.97 × 43,627.06
  4. Step 4: Simplify right side
    79,436.28x = 4,782,571,516.63
  5. Step 5: Solve for x
    x = 4,782,571,516.63/79,436.28
  6. Step 6: Final answer
    x = 60,206.39

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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.