Home / 76,229.10-114,321.78-53,003.16

Finding the Fourth Proportional to 76,229.10, 114,321.78 and 53,003.16

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Solution

The fourth proportional to 76,229.10, 114,321.78 and 53,003.16 is: 79,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,229.10 : 114,321.78 = 53,003.16 : x
  2. Step 2: Convert to fraction form
    76,229.10/114,321.78 = 53,003.16/x
  3. Step 3: Cross multiply
    76,229.10x = 114,321.78 × 53,003.16
  4. Step 4: Simplify right side
    76,229.10x = 6,059,415,596.82
  5. Step 5: Solve for x
    x = 6,059,415,596.82/76,229.10
  6. Step 6: Final answer
    x = 79,489.53

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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.