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Finding the Fourth Proportional to 79,499.70, 119,247.84 and 23,338.55

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Solution

The fourth proportional to 79,499.70, 119,247.84 and 23,338.55 is: 35,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.70 : 119,247.84 = 23,338.55 : x
  2. Step 2: Convert to fraction form
    79,499.70/119,247.84 = 23,338.55/x
  3. Step 3: Cross multiply
    79,499.70x = 119,247.84 × 23,338.55
  4. Step 4: Simplify right side
    79,499.70x = 2,783,071,676.23
  5. Step 5: Solve for x
    x = 2,783,071,676.23/79,499.70
  6. Step 6: Final answer
    x = 35,007.32

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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.