Home / 69,619.96-96,074.52-40,942.88

Finding the Fourth Proportional to 69,619.96, 96,074.52 and 40,942.88

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Solution

The fourth proportional to 69,619.96, 96,074.52 and 40,942.88 is: 56,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.96 : 96,074.52 = 40,942.88 : x
  2. Step 2: Convert to fraction form
    69,619.96/96,074.52 = 40,942.88/x
  3. Step 3: Cross multiply
    69,619.96x = 96,074.52 × 40,942.88
  4. Step 4: Simplify right side
    69,619.96x = 3,933,567,543.42
  5. Step 5: Solve for x
    x = 3,933,567,543.42/69,619.96
  6. Step 6: Final answer
    x = 56,500.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.