Home / 74,181.62-102,406.01-42,344.37

Finding the Fourth Proportional to 74,181.62, 102,406.01 and 42,344.37

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Solution

The fourth proportional to 74,181.62, 102,406.01 and 42,344.37 is: 58,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.62 : 102,406.01 = 42,344.37 : x
  2. Step 2: Convert to fraction form
    74,181.62/102,406.01 = 42,344.37/x
  3. Step 3: Cross multiply
    74,181.62x = 102,406.01 × 42,344.37
  4. Step 4: Simplify right side
    74,181.62x = 4,336,317,765.94
  5. Step 5: Solve for x
    x = 4,336,317,765.94/74,181.62
  6. Step 6: Final answer
    x = 58,455.42

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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.