Home / 76,100.24-114,120.96-26,170.88

Finding the Fourth Proportional to 76,100.24, 114,120.96 and 26,170.88

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Solution

The fourth proportional to 76,100.24, 114,120.96 and 26,170.88 is: 39,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,100.24 : 114,120.96 = 26,170.88 : x
  2. Step 2: Convert to fraction form
    76,100.24/114,120.96 = 26,170.88/x
  3. Step 3: Cross multiply
    76,100.24x = 114,120.96 × 26,170.88
  4. Step 4: Simplify right side
    76,100.24x = 2,986,645,949.64
  5. Step 5: Solve for x
    x = 2,986,645,949.64/76,100.24
  6. Step 6: Final answer
    x = 39,246.21

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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.