Home / 48,609.90-67,077.72-27,385.20

Finding the Fourth Proportional to 48,609.90, 67,077.72 and 27,385.20

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Solution

The fourth proportional to 48,609.90, 67,077.72 and 27,385.20 is: 37,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.90 : 67,077.72 = 27,385.20 : x
  2. Step 2: Convert to fraction form
    48,609.90/67,077.72 = 27,385.20/x
  3. Step 3: Cross multiply
    48,609.90x = 67,077.72 × 27,385.20
  4. Step 4: Simplify right side
    48,609.90x = 1,836,936,777.74
  5. Step 5: Solve for x
    x = 1,836,936,777.74/48,609.90
  6. Step 6: Final answer
    x = 37,789.36

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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.