Home / 72,277.20-108,328.32-32,794.56

Finding the Fourth Proportional to 72,277.20, 108,328.32 and 32,794.56

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Solution

The fourth proportional to 72,277.20, 108,328.32 and 32,794.56 is: 49,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277.20 : 108,328.32 = 32,794.56 : x
  2. Step 2: Convert to fraction form
    72,277.20/108,328.32 = 32,794.56/x
  3. Step 3: Cross multiply
    72,277.20x = 108,328.32 × 32,794.56
  4. Step 4: Simplify right side
    72,277.20x = 3,552,579,589.94
  5. Step 5: Solve for x
    x = 3,552,579,589.94/72,277.20
  6. Step 6: Final answer
    x = 49,152.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.