Home / 72,182.21-108,295.19-32,728.73

Finding the Fourth Proportional to 72,182.21, 108,295.19 and 32,728.73

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Solution

The fourth proportional to 72,182.21, 108,295.19 and 32,728.73 is: 49,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,182.21 : 108,295.19 = 32,728.73 : x
  2. Step 2: Convert to fraction form
    72,182.21/108,295.19 = 32,728.73/x
  3. Step 3: Cross multiply
    72,182.21x = 108,295.19 × 32,728.73
  4. Step 4: Simplify right side
    72,182.21x = 3,544,363,870.17
  5. Step 5: Solve for x
    x = 3,544,363,870.17/72,182.21
  6. Step 6: Final answer
    x = 49,103.01

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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.