Home / 82,891.19-124,361.04-26,730.17

Finding the Fourth Proportional to 82,891.19, 124,361.04 and 26,730.17

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Solution

The fourth proportional to 82,891.19, 124,361.04 and 26,730.17 is: 40,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,891.19 : 124,361.04 = 26,730.17 : x
  2. Step 2: Convert to fraction form
    82,891.19/124,361.04 = 26,730.17/x
  3. Step 3: Cross multiply
    82,891.19x = 124,361.04 × 26,730.17
  4. Step 4: Simplify right side
    82,891.19x = 3,324,191,118.77
  5. Step 5: Solve for x
    x = 3,324,191,118.77/82,891.19
  6. Step 6: Final answer
    x = 40,103.07

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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.