Home / 69,908.96-104,780.19-40,265.39

Finding the Fourth Proportional to 69,908.96, 104,780.19 and 40,265.39

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Solution

The fourth proportional to 69,908.96, 104,780.19 and 40,265.39 is: 60,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908.96 : 104,780.19 = 40,265.39 : x
  2. Step 2: Convert to fraction form
    69,908.96/104,780.19 = 40,265.39/x
  3. Step 3: Cross multiply
    69,908.96x = 104,780.19 × 40,265.39
  4. Step 4: Simplify right side
    69,908.96x = 4,219,015,214.62
  5. Step 5: Solve for x
    x = 4,219,015,214.62/69,908.96
  6. Step 6: Final answer
    x = 60,350.14

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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.