Home / 69,834.55-104,752.36-19,914.61

Finding the Fourth Proportional to 69,834.55, 104,752.36 and 19,914.61

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Solution

The fourth proportional to 69,834.55, 104,752.36 and 19,914.61 is: 29,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,834.55 : 104,752.36 = 19,914.61 : x
  2. Step 2: Convert to fraction form
    69,834.55/104,752.36 = 19,914.61/x
  3. Step 3: Cross multiply
    69,834.55x = 104,752.36 × 19,914.61
  4. Step 4: Simplify right side
    69,834.55x = 2,086,101,822.43
  5. Step 5: Solve for x
    x = 2,086,101,822.43/69,834.55
  6. Step 6: Final answer
    x = 29,872.06

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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.