Home / 215,824.08-323,724.57-66,064.44

Finding the Fourth Proportional to 215,824.08, 323,724.57 and 66,064.44

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Solution

The fourth proportional to 215,824.08, 323,724.57 and 66,064.44 is: 99,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824.08 : 323,724.57 = 66,064.44 : x
  2. Step 2: Convert to fraction form
    215,824.08/323,724.57 = 66,064.44/x
  3. Step 3: Cross multiply
    215,824.08x = 323,724.57 × 66,064.44
  4. Step 4: Simplify right side
    215,824.08x = 21,386,682,431.29
  5. Step 5: Solve for x
    x = 21,386,682,431.29/215,824.08
  6. Step 6: Final answer
    x = 99,093.12

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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.