Home / 74,396.08-102,667.94-40,404.56

Finding the Fourth Proportional to 74,396.08, 102,667.94 and 40,404.56

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Solution

The fourth proportional to 74,396.08, 102,667.94 and 40,404.56 is: 55,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,396.08 : 102,667.94 = 40,404.56 : x
  2. Step 2: Convert to fraction form
    74,396.08/102,667.94 = 40,404.56/x
  3. Step 3: Cross multiply
    74,396.08x = 102,667.94 × 40,404.56
  4. Step 4: Simplify right side
    74,396.08x = 4,148,252,941.81
  5. Step 5: Solve for x
    x = 4,148,252,941.81/74,396.08
  6. Step 6: Final answer
    x = 55,759.03

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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.