Home / 66,259.62-99,236.34-39,906.27

Finding the Fourth Proportional to 66,259.62, 99,236.34 and 39,906.27

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Solution

The fourth proportional to 66,259.62, 99,236.34 and 39,906.27 is: 59,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,259.62 : 99,236.34 = 39,906.27 : x
  2. Step 2: Convert to fraction form
    66,259.62/99,236.34 = 39,906.27/x
  3. Step 3: Cross multiply
    66,259.62x = 99,236.34 × 39,906.27
  4. Step 4: Simplify right side
    66,259.62x = 3,960,152,177.85
  5. Step 5: Solve for x
    x = 3,960,152,177.85/66,259.62
  6. Step 6: Final answer
    x = 59,767.20

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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.