Home / 69,370.67-95,721.23-42,132.58

Finding the Fourth Proportional to 69,370.67, 95,721.23 and 42,132.58

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Solution

The fourth proportional to 69,370.67, 95,721.23 and 42,132.58 is: 58,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.67 : 95,721.23 = 42,132.58 : x
  2. Step 2: Convert to fraction form
    69,370.67/95,721.23 = 42,132.58/x
  3. Step 3: Cross multiply
    69,370.67x = 95,721.23 × 42,132.58
  4. Step 4: Simplify right side
    69,370.67x = 4,032,982,759.54
  5. Step 5: Solve for x
    x = 4,032,982,759.54/69,370.67
  6. Step 6: Final answer
    x = 58,136.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.