Home / 90,774.23-136,162.31-27,604.62

Finding the Fourth Proportional to 90,774.23, 136,162.31 and 27,604.62

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Solution

The fourth proportional to 90,774.23, 136,162.31 and 27,604.62 is: 41,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,774.23 : 136,162.31 = 27,604.62 : x
  2. Step 2: Convert to fraction form
    90,774.23/136,162.31 = 27,604.62/x
  3. Step 3: Cross multiply
    90,774.23x = 136,162.31 × 27,604.62
  4. Step 4: Simplify right side
    90,774.23x = 3,758,708,687.85
  5. Step 5: Solve for x
    x = 3,758,708,687.85/90,774.23
  6. Step 6: Final answer
    x = 41,407.22

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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.