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Finding the Fourth Proportional to 67,396.32, 101,182.08 and 51,824.88

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Solution

The fourth proportional to 67,396.32, 101,182.08 and 51,824.88 is: 77,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,396.32 : 101,182.08 = 51,824.88 : x
  2. Step 2: Convert to fraction form
    67,396.32/101,182.08 = 51,824.88/x
  3. Step 3: Cross multiply
    67,396.32x = 101,182.08 × 51,824.88
  4. Step 4: Simplify right side
    67,396.32x = 5,243,749,154.15
  5. Step 5: Solve for x
    x = 5,243,749,154.15/67,396.32
  6. Step 6: Final answer
    x = 77,804.68

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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.