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Finding the Fourth Proportional to 62,072.80, 93,099.99 and 22,620.70

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Solution

The fourth proportional to 62,072.80, 93,099.99 and 22,620.70 is: 33,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,072.80 : 93,099.99 = 22,620.70 : x
  2. Step 2: Convert to fraction form
    62,072.80/93,099.99 = 22,620.70/x
  3. Step 3: Cross multiply
    62,072.80x = 93,099.99 × 22,620.70
  4. Step 4: Simplify right side
    62,072.80x = 2,105,986,943.79
  5. Step 5: Solve for x
    x = 2,105,986,943.79/62,072.80
  6. Step 6: Final answer
    x = 33,927.69

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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.