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Finding the Fourth Proportional to 80,007.72, 120,010.09 and 23,885.88

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Solution

The fourth proportional to 80,007.72, 120,010.09 and 23,885.88 is: 35,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,007.72 : 120,010.09 = 23,885.88 : x
  2. Step 2: Convert to fraction form
    80,007.72/120,010.09 = 23,885.88/x
  3. Step 3: Cross multiply
    80,007.72x = 120,010.09 × 23,885.88
  4. Step 4: Simplify right side
    80,007.72x = 2,866,546,338.36
  5. Step 5: Solve for x
    x = 2,866,546,338.36/80,007.72
  6. Step 6: Final answer
    x = 35,828.37

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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.