Home / 76,960.40-115,440.60-27,096.80

Finding the Fourth Proportional to 76,960.40, 115,440.60 and 27,096.80

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Solution

The fourth proportional to 76,960.40, 115,440.60 and 27,096.80 is: 40,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960.40 : 115,440.60 = 27,096.80 : x
  2. Step 2: Convert to fraction form
    76,960.40/115,440.60 = 27,096.80/x
  3. Step 3: Cross multiply
    76,960.40x = 115,440.60 × 27,096.80
  4. Step 4: Simplify right side
    76,960.40x = 3,128,070,850.08
  5. Step 5: Solve for x
    x = 3,128,070,850.08/76,960.40
  6. Step 6: Final answer
    x = 40,645.20

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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.