Home / 74,942.96-103,421.32-41,409.04

Finding the Fourth Proportional to 74,942.96, 103,421.32 and 41,409.04

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Solution

The fourth proportional to 74,942.96, 103,421.32 and 41,409.04 is: 57,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.96 : 103,421.32 = 41,409.04 : x
  2. Step 2: Convert to fraction form
    74,942.96/103,421.32 = 41,409.04/x
  3. Step 3: Cross multiply
    74,942.96x = 103,421.32 × 41,409.04
  4. Step 4: Simplify right side
    74,942.96x = 4,282,577,576.73
  5. Step 5: Solve for x
    x = 4,282,577,576.73/74,942.96
  6. Step 6: Final answer
    x = 57,144.49

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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.