Home / 69,945.12-104,825.52-28,369.44

Finding the Fourth Proportional to 69,945.12, 104,825.52 and 28,369.44

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Solution

The fourth proportional to 69,945.12, 104,825.52 and 28,369.44 is: 42,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.12 : 104,825.52 = 28,369.44 : x
  2. Step 2: Convert to fraction form
    69,945.12/104,825.52 = 28,369.44/x
  3. Step 3: Cross multiply
    69,945.12x = 104,825.52 × 28,369.44
  4. Step 4: Simplify right side
    69,945.12x = 2,973,841,300.11
  5. Step 5: Solve for x
    x = 2,973,841,300.11/69,945.12
  6. Step 6: Final answer
    x = 42,516.78

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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.