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Finding the Fourth Proportional to 73,626, 110,396.88 and 34,162.80

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Solution

The fourth proportional to 73,626, 110,396.88 and 34,162.80 is: 51,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,626 : 110,396.88 = 34,162.80 : x
  2. Step 2: Convert to fraction form
    73,626/110,396.88 = 34,162.80/x
  3. Step 3: Cross multiply
    73,626x = 110,396.88 × 34,162.80
  4. Step 4: Simplify right side
    73,626x = 3,771,466,532.06
  5. Step 5: Solve for x
    x = 3,771,466,532.06/73,626
  6. Step 6: Final answer
    x = 51,224.66

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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.