Home / 82,721.88-124,044.58-26,551.64

Finding the Fourth Proportional to 82,721.88, 124,044.58 and 26,551.64

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Solution

The fourth proportional to 82,721.88, 124,044.58 and 26,551.64 is: 39,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721.88 : 124,044.58 = 26,551.64 : x
  2. Step 2: Convert to fraction form
    82,721.88/124,044.58 = 26,551.64/x
  3. Step 3: Cross multiply
    82,721.88x = 124,044.58 × 26,551.64
  4. Step 4: Simplify right side
    82,721.88x = 3,293,587,032.11
  5. Step 5: Solve for x
    x = 3,293,587,032.11/82,721.88
  6. Step 6: Final answer
    x = 39,815.19

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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.