Home / 68,826.90-94,979.62-38,611.66

Finding the Fourth Proportional to 68,826.90, 94,979.62 and 38,611.66

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Solution

The fourth proportional to 68,826.90, 94,979.62 and 38,611.66 is: 53,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.90 : 94,979.62 = 38,611.66 : x
  2. Step 2: Convert to fraction form
    68,826.90/94,979.62 = 38,611.66/x
  3. Step 3: Cross multiply
    68,826.90x = 94,979.62 × 38,611.66
  4. Step 4: Simplify right side
    68,826.90x = 3,667,320,794.37
  5. Step 5: Solve for x
    x = 3,667,320,794.37/68,826.90
  6. Step 6: Final answer
    x = 53,283.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.