Home / 110,827.10-166,131.30-54,621.20

Finding the Fourth Proportional to 110,827.10, 166,131.30 and 54,621.20

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Solution

The fourth proportional to 110,827.10, 166,131.30 and 54,621.20 is: 81,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,827.10 : 166,131.30 = 54,621.20 : x
  2. Step 2: Convert to fraction form
    110,827.10/166,131.30 = 54,621.20/x
  3. Step 3: Cross multiply
    110,827.10x = 166,131.30 × 54,621.20
  4. Step 4: Simplify right side
    110,827.10x = 9,074,290,963.56
  5. Step 5: Solve for x
    x = 9,074,290,963.56/110,827.10
  6. Step 6: Final answer
    x = 81,877.91

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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.