Home / 77,589.44-116,435.19-42,553.70

Finding the Fourth Proportional to 77,589.44, 116,435.19 and 42,553.70

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Solution

The fourth proportional to 77,589.44, 116,435.19 and 42,553.70 is: 63,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,589.44 : 116,435.19 = 42,553.70 : x
  2. Step 2: Convert to fraction form
    77,589.44/116,435.19 = 42,553.70/x
  3. Step 3: Cross multiply
    77,589.44x = 116,435.19 × 42,553.70
  4. Step 4: Simplify right side
    77,589.44x = 4,954,747,562.53
  5. Step 5: Solve for x
    x = 4,954,747,562.53/77,589.44
  6. Step 6: Final answer
    x = 63,858.53

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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.