Home / 69,028.59-103,391.11-57,046.57

Finding the Fourth Proportional to 69,028.59, 103,391.11 and 57,046.57

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Solution

The fourth proportional to 69,028.59, 103,391.11 and 57,046.57 is: 85,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,028.59 : 103,391.11 = 57,046.57 : x
  2. Step 2: Convert to fraction form
    69,028.59/103,391.11 = 57,046.57/x
  3. Step 3: Cross multiply
    69,028.59x = 103,391.11 × 57,046.57
  4. Step 4: Simplify right side
    69,028.59x = 5,898,108,193.99
  5. Step 5: Solve for x
    x = 5,898,108,193.99/69,028.59
  6. Step 6: Final answer
    x = 85,444.43

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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.