Home / 90,623.16-135,934.83-34,450.11

Finding the Fourth Proportional to 90,623.16, 135,934.83 and 34,450.11

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Solution

The fourth proportional to 90,623.16, 135,934.83 and 34,450.11 is: 51,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.16 : 135,934.83 = 34,450.11 : x
  2. Step 2: Convert to fraction form
    90,623.16/135,934.83 = 34,450.11/x
  3. Step 3: Cross multiply
    90,623.16x = 135,934.83 × 34,450.11
  4. Step 4: Simplify right side
    90,623.16x = 4,682,969,846.33
  5. Step 5: Solve for x
    x = 4,682,969,846.33/90,623.16
  6. Step 6: Final answer
    x = 51,675.20

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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.