Home / 54,653.64-81,983.42-17,216.66

Finding the Fourth Proportional to 54,653.64, 81,983.42 and 17,216.66

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Solution

The fourth proportional to 54,653.64, 81,983.42 and 17,216.66 is: 25,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.64 : 81,983.42 = 17,216.66 : x
  2. Step 2: Convert to fraction form
    54,653.64/81,983.42 = 17,216.66/x
  3. Step 3: Cross multiply
    54,653.64x = 81,983.42 × 17,216.66
  4. Step 4: Simplify right side
    54,653.64x = 1,411,480,171.78
  5. Step 5: Solve for x
    x = 1,411,480,171.78/54,653.64
  6. Step 6: Final answer
    x = 25,825.91

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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.