Home / 79,600.05-109,847.28-43,790.10

Finding the Fourth Proportional to 79,600.05, 109,847.28 and 43,790.10

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Solution

The fourth proportional to 79,600.05, 109,847.28 and 43,790.10 is: 60,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,600.05 : 109,847.28 = 43,790.10 : x
  2. Step 2: Convert to fraction form
    79,600.05/109,847.28 = 43,790.10/x
  3. Step 3: Cross multiply
    79,600.05x = 109,847.28 × 43,790.10
  4. Step 4: Simplify right side
    79,600.05x = 4,810,223,375.93
  5. Step 5: Solve for x
    x = 4,810,223,375.93/79,600.05
  6. Step 6: Final answer
    x = 60,429.90

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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.