Home / 84,055.54-126,065.49-27,882.58

Finding the Fourth Proportional to 84,055.54, 126,065.49 and 27,882.58

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Solution

The fourth proportional to 84,055.54, 126,065.49 and 27,882.58 is: 41,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,055.54 : 126,065.49 = 27,882.58 : x
  2. Step 2: Convert to fraction form
    84,055.54/126,065.49 = 27,882.58/x
  3. Step 3: Cross multiply
    84,055.54x = 126,065.49 × 27,882.58
  4. Step 4: Simplify right side
    84,055.54x = 3,515,031,110.16
  5. Step 5: Solve for x
    x = 3,515,031,110.16/84,055.54
  6. Step 6: Final answer
    x = 41,817.96

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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.