Home / 79,033.28-109,067.76-45,041.04

Finding the Fourth Proportional to 79,033.28, 109,067.76 and 45,041.04

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Solution

The fourth proportional to 79,033.28, 109,067.76 and 45,041.04 is: 62,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,033.28 : 109,067.76 = 45,041.04 : x
  2. Step 2: Convert to fraction form
    79,033.28/109,067.76 = 45,041.04/x
  3. Step 3: Cross multiply
    79,033.28x = 109,067.76 × 45,041.04
  4. Step 4: Simplify right side
    79,033.28x = 4,912,525,340.87
  5. Step 5: Solve for x
    x = 4,912,525,340.87/79,033.28
  6. Step 6: Final answer
    x = 62,157.68

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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.