Home / 99,165.67-136,834.85-58,331.64

Finding the Fourth Proportional to 99,165.67, 136,834.85 and 58,331.64

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Solution

The fourth proportional to 99,165.67, 136,834.85 and 58,331.64 is: 80,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.67 : 136,834.85 = 58,331.64 : x
  2. Step 2: Convert to fraction form
    99,165.67/136,834.85 = 58,331.64/x
  3. Step 3: Cross multiply
    99,165.67x = 136,834.85 × 58,331.64
  4. Step 4: Simplify right side
    99,165.67x = 7,981,801,209.65
  5. Step 5: Solve for x
    x = 7,981,801,209.65/99,165.67
  6. Step 6: Final answer
    x = 80,489.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.