Home / 76,211.55-114,236.33-36,742.95

Finding the Fourth Proportional to 76,211.55, 114,236.33 and 36,742.95

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Solution

The fourth proportional to 76,211.55, 114,236.33 and 36,742.95 is: 55,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211.55 : 114,236.33 = 36,742.95 : x
  2. Step 2: Convert to fraction form
    76,211.55/114,236.33 = 36,742.95/x
  3. Step 3: Cross multiply
    76,211.55x = 114,236.33 × 36,742.95
  4. Step 4: Simplify right side
    76,211.55x = 4,197,379,577.66
  5. Step 5: Solve for x
    x = 4,197,379,577.66/76,211.55
  6. Step 6: Final answer
    x = 55,075.37

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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.