Home / 49,189.30-67,879.74-27,680.25

Finding the Fourth Proportional to 49,189.30, 67,879.74 and 27,680.25

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Solution

The fourth proportional to 49,189.30, 67,879.74 and 27,680.25 is: 38,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.30 : 67,879.74 = 27,680.25 : x
  2. Step 2: Convert to fraction form
    49,189.30/67,879.74 = 27,680.25/x
  3. Step 3: Cross multiply
    49,189.30x = 67,879.74 × 27,680.25
  4. Step 4: Simplify right side
    49,189.30x = 1,878,927,833.74
  5. Step 5: Solve for x
    x = 1,878,927,833.74/49,189.30
  6. Step 6: Final answer
    x = 38,197.90

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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.