Home / 80,724.24-111,413.76-46,727.04

Finding the Fourth Proportional to 80,724.24, 111,413.76 and 46,727.04

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Solution

The fourth proportional to 80,724.24, 111,413.76 and 46,727.04 is: 64,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.24 : 111,413.76 = 46,727.04 : x
  2. Step 2: Convert to fraction form
    80,724.24/111,413.76 = 46,727.04/x
  3. Step 3: Cross multiply
    80,724.24x = 111,413.76 × 46,727.04
  4. Step 4: Simplify right side
    80,724.24x = 5,206,035,220.07
  5. Step 5: Solve for x
    x = 5,206,035,220.07/80,724.24
  6. Step 6: Final answer
    x = 64,491.60

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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.