Home / 49,680.12-68,568.30-28,473.60

Finding the Fourth Proportional to 49,680.12, 68,568.30 and 28,473.60

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Solution

The fourth proportional to 49,680.12, 68,568.30 and 28,473.60 is: 39,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.12 : 68,568.30 = 28,473.60 : x
  2. Step 2: Convert to fraction form
    49,680.12/68,568.30 = 28,473.60/x
  3. Step 3: Cross multiply
    49,680.12x = 68,568.30 × 28,473.60
  4. Step 4: Simplify right side
    49,680.12x = 1,952,386,346.88
  5. Step 5: Solve for x
    x = 1,952,386,346.88/49,680.12
  6. Step 6: Final answer
    x = 39,299.15

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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.