Home / 69,072.85-103,598.99-19,147.73

Finding the Fourth Proportional to 69,072.85, 103,598.99 and 19,147.73

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Solution

The fourth proportional to 69,072.85, 103,598.99 and 19,147.73 is: 28,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.85 : 103,598.99 = 19,147.73 : x
  2. Step 2: Convert to fraction form
    69,072.85/103,598.99 = 19,147.73/x
  3. Step 3: Cross multiply
    69,072.85x = 103,598.99 × 19,147.73
  4. Step 4: Simplify right side
    69,072.85x = 1,983,685,393.05
  5. Step 5: Solve for x
    x = 1,983,685,393.05/69,072.85
  6. Step 6: Final answer
    x = 28,718.74

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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.