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Finding the Fourth Proportional to 69,624.60, 104,480.82 and 29,643.56

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Solution

The fourth proportional to 69,624.60, 104,480.82 and 29,643.56 is: 44,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,624.60 : 104,480.82 = 29,643.56 : x
  2. Step 2: Convert to fraction form
    69,624.60/104,480.82 = 29,643.56/x
  3. Step 3: Cross multiply
    69,624.60x = 104,480.82 × 29,643.56
  4. Step 4: Simplify right side
    69,624.60x = 3,097,183,456.52
  5. Step 5: Solve for x
    x = 3,097,183,456.52/69,624.60
  6. Step 6: Final answer
    x = 44,484.04

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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.