Home / 75,996.60-113,995.16-23,405.80

Finding the Fourth Proportional to 75,996.60, 113,995.16 and 23,405.80

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Solution

The fourth proportional to 75,996.60, 113,995.16 and 23,405.80 is: 35,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,996.60 : 113,995.16 = 23,405.80 : x
  2. Step 2: Convert to fraction form
    75,996.60/113,995.16 = 23,405.80/x
  3. Step 3: Cross multiply
    75,996.60x = 113,995.16 × 23,405.80
  4. Step 4: Simplify right side
    75,996.60x = 2,668,147,915.93
  5. Step 5: Solve for x
    x = 2,668,147,915.93/75,996.60
  6. Step 6: Final answer
    x = 35,108.78

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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.