Home / 66,735.24-100,086.66-31,174.08

Finding the Fourth Proportional to 66,735.24, 100,086.66 and 31,174.08

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Solution

The fourth proportional to 66,735.24, 100,086.66 and 31,174.08 is: 46,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,735.24 : 100,086.66 = 31,174.08 : x
  2. Step 2: Convert to fraction form
    66,735.24/100,086.66 = 31,174.08/x
  3. Step 3: Cross multiply
    66,735.24x = 100,086.66 × 31,174.08
  4. Step 4: Simplify right side
    66,735.24x = 3,120,109,545.77
  5. Step 5: Solve for x
    x = 3,120,109,545.77/66,735.24
  6. Step 6: Final answer
    x = 46,753.55

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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.