Home / 90,691.06-136,036.42-24,131.20

Finding the Fourth Proportional to 90,691.06, 136,036.42 and 24,131.20

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Solution

The fourth proportional to 90,691.06, 136,036.42 and 24,131.20 is: 36,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,691.06 : 136,036.42 = 24,131.20 : x
  2. Step 2: Convert to fraction form
    90,691.06/136,036.42 = 24,131.20/x
  3. Step 3: Cross multiply
    90,691.06x = 136,036.42 × 24,131.20
  4. Step 4: Simplify right side
    90,691.06x = 3,282,722,058.30
  5. Step 5: Solve for x
    x = 3,282,722,058.30/90,691.06
  6. Step 6: Final answer
    x = 36,196.75

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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.