Home / 69,006.80-103,378.21-57,833.62

Finding the Fourth Proportional to 69,006.80, 103,378.21 and 57,833.62

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Solution

The fourth proportional to 69,006.80, 103,378.21 and 57,833.62 is: 86,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,006.80 : 103,378.21 = 57,833.62 : x
  2. Step 2: Convert to fraction form
    69,006.80/103,378.21 = 57,833.62/x
  3. Step 3: Cross multiply
    69,006.80x = 103,378.21 × 57,833.62
  4. Step 4: Simplify right side
    69,006.80x = 5,978,735,710.39
  5. Step 5: Solve for x
    x = 5,978,735,710.39/69,006.80
  6. Step 6: Final answer
    x = 86,639.80

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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.