Home / 71,098.93-106,667.84-31,110.65

Finding the Fourth Proportional to 71,098.93, 106,667.84 and 31,110.65

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Solution

The fourth proportional to 71,098.93, 106,667.84 and 31,110.65 is: 46,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,098.93 : 106,667.84 = 31,110.65 : x
  2. Step 2: Convert to fraction form
    71,098.93/106,667.84 = 31,110.65/x
  3. Step 3: Cross multiply
    71,098.93x = 106,667.84 × 31,110.65
  4. Step 4: Simplify right side
    71,098.93x = 3,318,505,380.93
  5. Step 5: Solve for x
    x = 3,318,505,380.93/71,098.93
  6. Step 6: Final answer
    x = 46,674.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.