Home / 77,396.21-106,805.79-43,413.27

Finding the Fourth Proportional to 77,396.21, 106,805.79 and 43,413.27

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Solution

The fourth proportional to 77,396.21, 106,805.79 and 43,413.27 is: 59,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,396.21 : 106,805.79 = 43,413.27 : x
  2. Step 2: Convert to fraction form
    77,396.21/106,805.79 = 43,413.27/x
  3. Step 3: Cross multiply
    77,396.21x = 106,805.79 × 43,413.27
  4. Step 4: Simplify right side
    77,396.21x = 4,636,788,198.31
  5. Step 5: Solve for x
    x = 4,636,788,198.31/77,396.21
  6. Step 6: Final answer
    x = 59,909.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.