Home / 84,076.25-126,081.56-36,705.83

Finding the Fourth Proportional to 84,076.25, 126,081.56 and 36,705.83

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Solution

The fourth proportional to 84,076.25, 126,081.56 and 36,705.83 is: 55,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,076.25 : 126,081.56 = 36,705.83 : x
  2. Step 2: Convert to fraction form
    84,076.25/126,081.56 = 36,705.83/x
  3. Step 3: Cross multiply
    84,076.25x = 126,081.56 × 36,705.83
  4. Step 4: Simplify right side
    84,076.25x = 4,627,928,307.49
  5. Step 5: Solve for x
    x = 4,627,928,307.49/84,076.25
  6. Step 6: Final answer
    x = 55,044.42

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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.