Home / 211,844.25-317,766.11-54,072.72

Finding the Fourth Proportional to 211,844.25, 317,766.11 and 54,072.72

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Solution

The fourth proportional to 211,844.25, 317,766.11 and 54,072.72 is: 81,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,844.25 : 317,766.11 = 54,072.72 : x
  2. Step 2: Convert to fraction form
    211,844.25/317,766.11 = 54,072.72/x
  3. Step 3: Cross multiply
    211,844.25x = 317,766.11 × 54,072.72
  4. Step 4: Simplify right side
    211,844.25x = 17,182,477,621.16
  5. Step 5: Solve for x
    x = 17,182,477,621.16/211,844.25
  6. Step 6: Final answer
    x = 81,109.01

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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.