Home / 54,937.13-82,356.82-19,868.99

Finding the Fourth Proportional to 54,937.13, 82,356.82 and 19,868.99

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Solution

The fourth proportional to 54,937.13, 82,356.82 and 19,868.99 is: 29,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.13 : 82,356.82 = 19,868.99 : x
  2. Step 2: Convert to fraction form
    54,937.13/82,356.82 = 19,868.99/x
  3. Step 3: Cross multiply
    54,937.13x = 82,356.82 × 19,868.99
  4. Step 4: Simplify right side
    54,937.13x = 1,636,346,833.01
  5. Step 5: Solve for x
    x = 1,636,346,833.01/54,937.13
  6. Step 6: Final answer
    x = 29,785.81

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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.