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Finding the Fourth Proportional to 67,794.32, 101,584.46 and 55,082.08

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Solution

The fourth proportional to 67,794.32, 101,584.46 and 55,082.08 is: 82,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,794.32 : 101,584.46 = 55,082.08 : x
  2. Step 2: Convert to fraction form
    67,794.32/101,584.46 = 55,082.08/x
  3. Step 3: Cross multiply
    67,794.32x = 101,584.46 × 55,082.08
  4. Step 4: Simplify right side
    67,794.32x = 5,595,483,352.48
  5. Step 5: Solve for x
    x = 5,595,483,352.48/67,794.32
  6. Step 6: Final answer
    x = 82,536.17

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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.