Home / 82,867.44-124,301.09-20,537.94

Finding the Fourth Proportional to 82,867.44, 124,301.09 and 20,537.94

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Solution

The fourth proportional to 82,867.44, 124,301.09 and 20,537.94 is: 30,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,867.44 : 124,301.09 = 20,537.94 : x
  2. Step 2: Convert to fraction form
    82,867.44/124,301.09 = 20,537.94/x
  3. Step 3: Cross multiply
    82,867.44x = 124,301.09 × 20,537.94
  4. Step 4: Simplify right side
    82,867.44x = 2,552,888,225.66
  5. Step 5: Solve for x
    x = 2,552,888,225.66/82,867.44
  6. Step 6: Final answer
    x = 30,806.89

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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.