Home / 69,775.30-96,286.98-39,562.66

Finding the Fourth Proportional to 69,775.30, 96,286.98 and 39,562.66

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Solution

The fourth proportional to 69,775.30, 96,286.98 and 39,562.66 is: 54,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.30 : 96,286.98 = 39,562.66 : x
  2. Step 2: Convert to fraction form
    69,775.30/96,286.98 = 39,562.66/x
  3. Step 3: Cross multiply
    69,775.30x = 96,286.98 × 39,562.66
  4. Step 4: Simplify right side
    69,775.30x = 3,809,369,052.17
  5. Step 5: Solve for x
    x = 3,809,369,052.17/69,775.30
  6. Step 6: Final answer
    x = 54,594.81

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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.