Home / 79,258.24-109,378.49-43,449.59

Finding the Fourth Proportional to 79,258.24, 109,378.49 and 43,449.59

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Solution

The fourth proportional to 79,258.24, 109,378.49 and 43,449.59 is: 59,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,258.24 : 109,378.49 = 43,449.59 : x
  2. Step 2: Convert to fraction form
    79,258.24/109,378.49 = 43,449.59/x
  3. Step 3: Cross multiply
    79,258.24x = 109,378.49 × 43,449.59
  4. Step 4: Simplify right side
    79,258.24x = 4,752,450,601.52
  5. Step 5: Solve for x
    x = 4,752,450,601.52/79,258.24
  6. Step 6: Final answer
    x = 59,961.60

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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.