Home / 81,413.36-112,405.25-50,833.01

Finding the Fourth Proportional to 81,413.36, 112,405.25 and 50,833.01

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Solution

The fourth proportional to 81,413.36, 112,405.25 and 50,833.01 is: 70,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413.36 : 112,405.25 = 50,833.01 : x
  2. Step 2: Convert to fraction form
    81,413.36/112,405.25 = 50,833.01/x
  3. Step 3: Cross multiply
    81,413.36x = 112,405.25 × 50,833.01
  4. Step 4: Simplify right side
    81,413.36x = 5,713,896,381.11
  5. Step 5: Solve for x
    x = 5,713,896,381.11/81,413.36
  6. Step 6: Final answer
    x = 70,183.77

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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.