Home / 76,131.46-114,197.20-23,539.78

Finding the Fourth Proportional to 76,131.46, 114,197.20 and 23,539.78

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Solution

The fourth proportional to 76,131.46, 114,197.20 and 23,539.78 is: 35,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,131.46 : 114,197.20 = 23,539.78 : x
  2. Step 2: Convert to fraction form
    76,131.46/114,197.20 = 23,539.78/x
  3. Step 3: Cross multiply
    76,131.46x = 114,197.20 × 23,539.78
  4. Step 4: Simplify right side
    76,131.46x = 2,688,176,964.62
  5. Step 5: Solve for x
    x = 2,688,176,964.62/76,131.46
  6. Step 6: Final answer
    x = 35,309.67

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1.5x scale

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.