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Finding the Fourth Proportional to 67,471.90, 93,113.99 and 41,993.35

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Solution

The fourth proportional to 67,471.90, 93,113.99 and 41,993.35 is: 57,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,471.90 : 93,113.99 = 41,993.35 : x
  2. Step 2: Convert to fraction form
    67,471.90/93,113.99 = 41,993.35/x
  3. Step 3: Cross multiply
    67,471.90x = 93,113.99 × 41,993.35
  4. Step 4: Simplify right side
    67,471.90x = 3,910,168,086.69
  5. Step 5: Solve for x
    x = 3,910,168,086.69/67,471.90
  6. Step 6: Final answer
    x = 57,952.54

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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.