Home / 74,384.56-102,651.42-40,850.56

Finding the Fourth Proportional to 74,384.56, 102,651.42 and 40,850.56

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Solution

The fourth proportional to 74,384.56, 102,651.42 and 40,850.56 is: 56,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.56 : 102,651.42 = 40,850.56 : x
  2. Step 2: Convert to fraction form
    74,384.56/102,651.42 = 40,850.56/x
  3. Step 3: Cross multiply
    74,384.56x = 102,651.42 × 40,850.56
  4. Step 4: Simplify right side
    74,384.56x = 4,193,367,991.80
  5. Step 5: Solve for x
    x = 4,193,367,991.80/74,384.56
  6. Step 6: Final answer
    x = 56,374.17

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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.