Home / 54,959.13-82,383.30-21,666.30

Finding the Fourth Proportional to 54,959.13, 82,383.30 and 21,666.30

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Solution

The fourth proportional to 54,959.13, 82,383.30 and 21,666.30 is: 32,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959.13 : 82,383.30 = 21,666.30 : x
  2. Step 2: Convert to fraction form
    54,959.13/82,383.30 = 21,666.30/x
  3. Step 3: Cross multiply
    54,959.13x = 82,383.30 × 21,666.30
  4. Step 4: Simplify right side
    54,959.13x = 1,784,941,292.79
  5. Step 5: Solve for x
    x = 1,784,941,292.79/54,959.13
  6. Step 6: Final answer
    x = 32,477.61

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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.