Home / 72,618.12-108,927.18-33,164.64

Finding the Fourth Proportional to 72,618.12, 108,927.18 and 33,164.64

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Solution

The fourth proportional to 72,618.12, 108,927.18 and 33,164.64 is: 49,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,618.12 : 108,927.18 = 33,164.64 : x
  2. Step 2: Convert to fraction form
    72,618.12/108,927.18 = 33,164.64/x
  3. Step 3: Cross multiply
    72,618.12x = 108,927.18 × 33,164.64
  4. Step 4: Simplify right side
    72,618.12x = 3,612,530,710.92
  5. Step 5: Solve for x
    x = 3,612,530,710.92/72,618.12
  6. Step 6: Final answer
    x = 49,746.96

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Similar ratio
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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.