Home / 69,759.28-104,669.85-39,772.42

Finding the Fourth Proportional to 69,759.28, 104,669.85 and 39,772.42

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Solution

The fourth proportional to 69,759.28, 104,669.85 and 39,772.42 is: 59,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759.28 : 104,669.85 = 39,772.42 : x
  2. Step 2: Convert to fraction form
    69,759.28/104,669.85 = 39,772.42/x
  3. Step 3: Cross multiply
    69,759.28x = 104,669.85 × 39,772.42
  4. Step 4: Simplify right side
    69,759.28x = 4,162,973,235.54
  5. Step 5: Solve for x
    x = 4,162,973,235.54/69,759.28
  6. Step 6: Final answer
    x = 59,676.26

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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.