Home / 74,933.03-103,406.37-40,940.79

Finding the Fourth Proportional to 74,933.03, 103,406.37 and 40,940.79

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Solution

The fourth proportional to 74,933.03, 103,406.37 and 40,940.79 is: 56,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.03 : 103,406.37 = 40,940.79 : x
  2. Step 2: Convert to fraction form
    74,933.03/103,406.37 = 40,940.79/x
  3. Step 3: Cross multiply
    74,933.03x = 103,406.37 × 40,940.79
  4. Step 4: Simplify right side
    74,933.03x = 4,233,537,961.80
  5. Step 5: Solve for x
    x = 4,233,537,961.80/74,933.03
  6. Step 6: Final answer
    x = 56,497.62

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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.