Home / 69,166.40-103,683.18-44,135.78

Finding the Fourth Proportional to 69,166.40, 103,683.18 and 44,135.78

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Solution

The fourth proportional to 69,166.40, 103,683.18 and 44,135.78 is: 66,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166.40 : 103,683.18 = 44,135.78 : x
  2. Step 2: Convert to fraction form
    69,166.40/103,683.18 = 44,135.78/x
  3. Step 3: Cross multiply
    69,166.40x = 103,683.18 × 44,135.78
  4. Step 4: Simplify right side
    69,166.40x = 4,576,138,022.18
  5. Step 5: Solve for x
    x = 4,576,138,022.18/69,166.40
  6. Step 6: Final answer
    x = 66,161.29

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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.