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Finding the Fourth Proportional to 81,413.73, 112,405.77 and 50,833.39

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Solution

The fourth proportional to 81,413.73, 112,405.77 and 50,833.39 is: 70,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413.73 : 112,405.77 = 50,833.39 : x
  2. Step 2: Convert to fraction form
    81,413.73/112,405.77 = 50,833.39/x
  3. Step 3: Cross multiply
    81,413.73x = 112,405.77 × 50,833.39
  4. Step 4: Simplify right side
    81,413.73x = 5,713,966,344.66
  5. Step 5: Solve for x
    x = 5,713,966,344.66/81,413.73
  6. Step 6: Final answer
    x = 70,184.31

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1.5x scale

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.