Home / 76,947.92-106,188.36-43,413.20

Finding the Fourth Proportional to 76,947.92, 106,188.36 and 43,413.20

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Solution

The fourth proportional to 76,947.92, 106,188.36 and 43,413.20 is: 59,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947.92 : 106,188.36 = 43,413.20 : x
  2. Step 2: Convert to fraction form
    76,947.92/106,188.36 = 43,413.20/x
  3. Step 3: Cross multiply
    76,947.92x = 106,188.36 × 43,413.20
  4. Step 4: Simplify right side
    76,947.92x = 4,609,976,510.35
  5. Step 5: Solve for x
    x = 4,609,976,510.35/76,947.92
  6. Step 6: Final answer
    x = 59,910.35

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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.