Home / 79,377.64-109,540.76-43,568.25

Finding the Fourth Proportional to 79,377.64, 109,540.76 and 43,568.25

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Solution

The fourth proportional to 79,377.64, 109,540.76 and 43,568.25 is: 60,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,377.64 : 109,540.76 = 43,568.25 : x
  2. Step 2: Convert to fraction form
    79,377.64/109,540.76 = 43,568.25/x
  3. Step 3: Cross multiply
    79,377.64x = 109,540.76 × 43,568.25
  4. Step 4: Simplify right side
    79,377.64x = 4,772,498,588.25
  5. Step 5: Solve for x
    x = 4,772,498,588.25/79,377.64
  6. Step 6: Final answer
    x = 60,123.97

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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.