Home / 54,488.23-81,732.19-14,507.21

Finding the Fourth Proportional to 54,488.23, 81,732.19 and 14,507.21

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Solution

The fourth proportional to 54,488.23, 81,732.19 and 14,507.21 is: 21,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.23 : 81,732.19 = 14,507.21 : x
  2. Step 2: Convert to fraction form
    54,488.23/81,732.19 = 14,507.21/x
  3. Step 3: Cross multiply
    54,488.23x = 81,732.19 × 14,507.21
  4. Step 4: Simplify right side
    54,488.23x = 1,185,706,044.09
  5. Step 5: Solve for x
    x = 1,185,706,044.09/54,488.23
  6. Step 6: Final answer
    x = 21,760.77

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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.