Home / 80,578.70-111,192.08-46,589.37

Finding the Fourth Proportional to 80,578.70, 111,192.08 and 46,589.37

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Solution

The fourth proportional to 80,578.70, 111,192.08 and 46,589.37 is: 64,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.70 : 111,192.08 = 46,589.37 : x
  2. Step 2: Convert to fraction form
    80,578.70/111,192.08 = 46,589.37/x
  3. Step 3: Cross multiply
    80,578.70x = 111,192.08 × 46,589.37
  4. Step 4: Simplify right side
    80,578.70x = 5,180,368,956.19
  5. Step 5: Solve for x
    x = 5,180,368,956.19/80,578.70
  6. Step 6: Final answer
    x = 64,289.56

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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.