Home / 90,701.09-136,051.90-27,521.73

Finding the Fourth Proportional to 90,701.09, 136,051.90 and 27,521.73

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Solution

The fourth proportional to 90,701.09, 136,051.90 and 27,521.73 is: 41,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,701.09 : 136,051.90 = 27,521.73 : x
  2. Step 2: Convert to fraction form
    90,701.09/136,051.90 = 27,521.73/x
  3. Step 3: Cross multiply
    90,701.09x = 136,051.90 × 27,521.73
  4. Step 4: Simplify right side
    90,701.09x = 3,744,383,657.79
  5. Step 5: Solve for x
    x = 3,744,383,657.79/90,701.09
  6. Step 6: Final answer
    x = 41,282.68

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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.