Home / 76,019.85-113,969.10-38,043.97

Finding the Fourth Proportional to 76,019.85, 113,969.10 and 38,043.97

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Solution

The fourth proportional to 76,019.85, 113,969.10 and 38,043.97 is: 57,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.85 : 113,969.10 = 38,043.97 : x
  2. Step 2: Convert to fraction form
    76,019.85/113,969.10 = 38,043.97/x
  3. Step 3: Cross multiply
    76,019.85x = 113,969.10 × 38,043.97
  4. Step 4: Simplify right side
    76,019.85x = 4,335,837,021.33
  5. Step 5: Solve for x
    x = 4,335,837,021.33/76,019.85
  6. Step 6: Final answer
    x = 57,035.59

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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.