Home / 60,721.23-91,112.82-40,958.37

Finding the Fourth Proportional to 60,721.23, 91,112.82 and 40,958.37

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Solution

The fourth proportional to 60,721.23, 91,112.82 and 40,958.37 is: 61,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.23 : 91,112.82 = 40,958.37 : x
  2. Step 2: Convert to fraction form
    60,721.23/91,112.82 = 40,958.37/x
  3. Step 3: Cross multiply
    60,721.23x = 91,112.82 × 40,958.37
  4. Step 4: Simplify right side
    60,721.23x = 3,731,832,593.30
  5. Step 5: Solve for x
    x = 3,731,832,593.30/60,721.23
  6. Step 6: Final answer
    x = 61,458.45

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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.