Home / 76,185.72-114,352.29-36,770.58

Finding the Fourth Proportional to 76,185.72, 114,352.29 and 36,770.58

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Solution

The fourth proportional to 76,185.72, 114,352.29 and 36,770.58 is: 55,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,185.72 : 114,352.29 = 36,770.58 : x
  2. Step 2: Convert to fraction form
    76,185.72/114,352.29 = 36,770.58/x
  3. Step 3: Cross multiply
    76,185.72x = 114,352.29 × 36,770.58
  4. Step 4: Simplify right side
    76,185.72x = 4,204,799,272.01
  5. Step 5: Solve for x
    x = 4,204,799,272.01/76,185.72
  6. Step 6: Final answer
    x = 55,191.44

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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.