Home / 69,744.69-104,613.21-40,909.32

Finding the Fourth Proportional to 69,744.69, 104,613.21 and 40,909.32

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Solution

The fourth proportional to 69,744.69, 104,613.21 and 40,909.32 is: 61,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,744.69 : 104,613.21 = 40,909.32 : x
  2. Step 2: Convert to fraction form
    69,744.69/104,613.21 = 40,909.32/x
  3. Step 3: Cross multiply
    69,744.69x = 104,613.21 × 40,909.32
  4. Step 4: Simplify right side
    69,744.69x = 4,279,655,284.12
  5. Step 5: Solve for x
    x = 4,279,655,284.12/69,744.69
  6. Step 6: Final answer
    x = 61,361.74

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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.