Home / 77,379.41-116,102.50-41,865.73

Finding the Fourth Proportional to 77,379.41, 116,102.50 and 41,865.73

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Solution

The fourth proportional to 77,379.41, 116,102.50 and 41,865.73 is: 62,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,379.41 : 116,102.50 = 41,865.73 : x
  2. Step 2: Convert to fraction form
    77,379.41/116,102.50 = 41,865.73/x
  3. Step 3: Cross multiply
    77,379.41x = 116,102.50 × 41,865.73
  4. Step 4: Simplify right side
    77,379.41x = 4,860,715,522.40
  5. Step 5: Solve for x
    x = 4,860,715,522.40/77,379.41
  6. Step 6: Final answer
    x = 62,816.65

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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.