Home / 79,525.45-109,745.24-43,715.68

Finding the Fourth Proportional to 79,525.45, 109,745.24 and 43,715.68

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Solution

The fourth proportional to 79,525.45, 109,745.24 and 43,715.68 is: 60,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.45 : 109,745.24 = 43,715.68 : x
  2. Step 2: Convert to fraction form
    79,525.45/109,745.24 = 43,715.68/x
  3. Step 3: Cross multiply
    79,525.45x = 109,745.24 × 43,715.68
  4. Step 4: Simplify right side
    79,525.45x = 4,797,587,793.36
  5. Step 5: Solve for x
    x = 4,797,587,793.36/79,525.45
  6. Step 6: Final answer
    x = 60,327.70

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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.