Home / 69,909.96-104,781.69-40,266.39

Finding the Fourth Proportional to 69,909.96, 104,781.69 and 40,266.39

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Solution

The fourth proportional to 69,909.96, 104,781.69 and 40,266.39 is: 60,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.96 : 104,781.69 = 40,266.39 : x
  2. Step 2: Convert to fraction form
    69,909.96/104,781.69 = 40,266.39/x
  3. Step 3: Cross multiply
    69,909.96x = 104,781.69 × 40,266.39
  4. Step 4: Simplify right side
    69,909.96x = 4,219,180,394.40
  5. Step 5: Solve for x
    x = 4,219,180,394.40/69,909.96
  6. Step 6: Final answer
    x = 60,351.64

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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.