Home / 67,902.60-93,716.82-39,608.26

Finding the Fourth Proportional to 67,902.60, 93,716.82 and 39,608.26

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Solution

The fourth proportional to 67,902.60, 93,716.82 and 39,608.26 is: 54,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.60 : 93,716.82 = 39,608.26 : x
  2. Step 2: Convert to fraction form
    67,902.60/93,716.82 = 39,608.26/x
  3. Step 3: Cross multiply
    67,902.60x = 93,716.82 × 39,608.26
  4. Step 4: Simplify right side
    67,902.60x = 3,711,960,172.93
  5. Step 5: Solve for x
    x = 3,711,960,172.93/67,902.60
  6. Step 6: Final answer
    x = 54,665.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.