Home / 74,198.96-102,374.64-42,361.52

Finding the Fourth Proportional to 74,198.96, 102,374.64 and 42,361.52

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Solution

The fourth proportional to 74,198.96, 102,374.64 and 42,361.52 is: 58,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.96 : 102,374.64 = 42,361.52 : x
  2. Step 2: Convert to fraction form
    74,198.96/102,374.64 = 42,361.52/x
  3. Step 3: Cross multiply
    74,198.96x = 102,374.64 × 42,361.52
  4. Step 4: Simplify right side
    74,198.96x = 4,336,745,359.85
  5. Step 5: Solve for x
    x = 4,336,745,359.85/74,198.96
  6. Step 6: Final answer
    x = 58,447.52

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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.