Home / 76,947.56-106,187.46-43,413.32

Finding the Fourth Proportional to 76,947.56, 106,187.46 and 43,413.32

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Solution

The fourth proportional to 76,947.56, 106,187.46 and 43,413.32 is: 59,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947.56 : 106,187.46 = 43,413.32 : x
  2. Step 2: Convert to fraction form
    76,947.56/106,187.46 = 43,413.32/x
  3. Step 3: Cross multiply
    76,947.56x = 106,187.46 × 43,413.32
  4. Step 4: Simplify right side
    76,947.56x = 4,609,950,180.97
  5. Step 5: Solve for x
    x = 4,609,950,180.97/76,947.56
  6. Step 6: Final answer
    x = 59,910.28

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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.