Home / 75,837.96-113,668.38-57,057.66

Finding the Fourth Proportional to 75,837.96, 113,668.38 and 57,057.66

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Solution

The fourth proportional to 75,837.96, 113,668.38 and 57,057.66 is: 85,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,837.96 : 113,668.38 = 57,057.66 : x
  2. Step 2: Convert to fraction form
    75,837.96/113,668.38 = 57,057.66/x
  3. Step 3: Cross multiply
    75,837.96x = 113,668.38 × 57,057.66
  4. Step 4: Simplify right side
    75,837.96x = 6,485,651,778.79
  5. Step 5: Solve for x
    x = 6,485,651,778.79/75,837.96
  6. Step 6: Final answer
    x = 85,519.86

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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.