Home / 76,338.88-114,452.96-51,316.86

Finding the Fourth Proportional to 76,338.88, 114,452.96 and 51,316.86

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Solution

The fourth proportional to 76,338.88, 114,452.96 and 51,316.86 is: 76,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,338.88 : 114,452.96 = 51,316.86 : x
  2. Step 2: Convert to fraction form
    76,338.88/114,452.96 = 51,316.86/x
  3. Step 3: Cross multiply
    76,338.88x = 114,452.96 × 51,316.86
  4. Step 4: Simplify right side
    76,338.88x = 5,873,366,524.91
  5. Step 5: Solve for x
    x = 5,873,366,524.91/76,338.88
  6. Step 6: Final answer
    x = 76,938.08

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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.