Home / 79,535.40-109,754.19-43,725.39

Finding the Fourth Proportional to 79,535.40, 109,754.19 and 43,725.39

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Solution

The fourth proportional to 79,535.40, 109,754.19 and 43,725.39 is: 60,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,535.40 : 109,754.19 = 43,725.39 : x
  2. Step 2: Convert to fraction form
    79,535.40/109,754.19 = 43,725.39/x
  3. Step 3: Cross multiply
    79,535.40x = 109,754.19 × 43,725.39
  4. Step 4: Simplify right side
    79,535.40x = 4,799,044,761.88
  5. Step 5: Solve for x
    x = 4,799,044,761.88/79,535.40
  6. Step 6: Final answer
    x = 60,338.48

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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.