Home / 65,723.20-98,584.80-49,976.80

Finding the Fourth Proportional to 65,723.20, 98,584.80 and 49,976.80

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Solution

The fourth proportional to 65,723.20, 98,584.80 and 49,976.80 is: 74,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.20 : 98,584.80 = 49,976.80 : x
  2. Step 2: Convert to fraction form
    65,723.20/98,584.80 = 49,976.80/x
  3. Step 3: Cross multiply
    65,723.20x = 98,584.80 × 49,976.80
  4. Step 4: Simplify right side
    65,723.20x = 4,926,952,832.64
  5. Step 5: Solve for x
    x = 4,926,952,832.64/65,723.20
  6. Step 6: Final answer
    x = 74,965.20

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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.