Home / 84,181.84-126,171.23-36,776.59

Finding the Fourth Proportional to 84,181.84, 126,171.23 and 36,776.59

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Solution

The fourth proportional to 84,181.84, 126,171.23 and 36,776.59 is: 55,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,181.84 : 126,171.23 = 36,776.59 : x
  2. Step 2: Convert to fraction form
    84,181.84/126,171.23 = 36,776.59/x
  3. Step 3: Cross multiply
    84,181.84x = 126,171.23 × 36,776.59
  4. Step 4: Simplify right side
    84,181.84x = 4,640,147,096.19
  5. Step 5: Solve for x
    x = 4,640,147,096.19/84,181.84
  6. Step 6: Final answer
    x = 55,120.53

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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.