Home / 84,510.66-126,757.72-22,181.16

Finding the Fourth Proportional to 84,510.66, 126,757.72 and 22,181.16

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Solution

The fourth proportional to 84,510.66, 126,757.72 and 22,181.16 is: 33,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,510.66 : 126,757.72 = 22,181.16 : x
  2. Step 2: Convert to fraction form
    84,510.66/126,757.72 = 22,181.16/x
  3. Step 3: Cross multiply
    84,510.66x = 126,757.72 × 22,181.16
  4. Step 4: Simplify right side
    84,510.66x = 2,811,633,268.56
  5. Step 5: Solve for x
    x = 2,811,633,268.56/84,510.66
  6. Step 6: Final answer
    x = 33,269.57

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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.