Home / 82,974.05-124,239.63-43,448.07

Finding the Fourth Proportional to 82,974.05, 124,239.63 and 43,448.07

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Solution

The fourth proportional to 82,974.05, 124,239.63 and 43,448.07 is: 65,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,974.05 : 124,239.63 = 43,448.07 : x
  2. Step 2: Convert to fraction form
    82,974.05/124,239.63 = 43,448.07/x
  3. Step 3: Cross multiply
    82,974.05x = 124,239.63 × 43,448.07
  4. Step 4: Simplify right side
    82,974.05x = 5,397,972,141.01
  5. Step 5: Solve for x
    x = 5,397,972,141.01/82,974.05
  6. Step 6: Final answer
    x = 65,056.15

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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.