Home / 68,847.68-95,015.52-38,632.64

Finding the Fourth Proportional to 68,847.68, 95,015.52 and 38,632.64

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Solution

The fourth proportional to 68,847.68, 95,015.52 and 38,632.64 is: 53,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,847.68 : 95,015.52 = 38,632.64 : x
  2. Step 2: Convert to fraction form
    68,847.68/95,015.52 = 38,632.64/x
  3. Step 3: Cross multiply
    68,847.68x = 95,015.52 × 38,632.64
  4. Step 4: Simplify right side
    68,847.68x = 3,670,700,378.57
  5. Step 5: Solve for x
    x = 3,670,700,378.57/68,847.68
  6. Step 6: Final answer
    x = 53,316.25

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Double scale
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Similar ratio
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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.