Home / 80,417.13-120,540.51-27,058.29

Finding the Fourth Proportional to 80,417.13, 120,540.51 and 27,058.29

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Solution

The fourth proportional to 80,417.13, 120,540.51 and 27,058.29 is: 40,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,417.13 : 120,540.51 = 27,058.29 : x
  2. Step 2: Convert to fraction form
    80,417.13/120,540.51 = 27,058.29/x
  3. Step 3: Cross multiply
    80,417.13x = 120,540.51 × 27,058.29
  4. Step 4: Simplify right side
    80,417.13x = 3,261,620,076.33
  5. Step 5: Solve for x
    x = 3,261,620,076.33/80,417.13
  6. Step 6: Final answer
    x = 40,558.77

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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.