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Finding the Fourth Proportional to 79,367.83, 119,069.92 and 34,396.74

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Solution

The fourth proportional to 79,367.83, 119,069.92 and 34,396.74 is: 51,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.83 : 119,069.92 = 34,396.74 : x
  2. Step 2: Convert to fraction form
    79,367.83/119,069.92 = 34,396.74/x
  3. Step 3: Cross multiply
    79,367.83x = 119,069.92 × 34,396.74
  4. Step 4: Simplify right side
    79,367.83x = 4,095,617,052.36
  5. Step 5: Solve for x
    x = 4,095,617,052.36/79,367.83
  6. Step 6: Final answer
    x = 51,602.99

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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.