Home / 76,167.88-114,189.84-51,131.58

Finding the Fourth Proportional to 76,167.88, 114,189.84 and 51,131.58

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Solution

The fourth proportional to 76,167.88, 114,189.84 and 51,131.58 is: 76,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,167.88 : 114,189.84 = 51,131.58 : x
  2. Step 2: Convert to fraction form
    76,167.88/114,189.84 = 51,131.58/x
  3. Step 3: Cross multiply
    76,167.88x = 114,189.84 × 51,131.58
  4. Step 4: Simplify right side
    76,167.88x = 5,838,706,939.15
  5. Step 5: Solve for x
    x = 5,838,706,939.15/76,167.88
  6. Step 6: Final answer
    x = 76,655.76

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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.