Home / 77,413.28-106,853.04-50,559.86

Finding the Fourth Proportional to 77,413.28, 106,853.04 and 50,559.86

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Solution

The fourth proportional to 77,413.28, 106,853.04 and 50,559.86 is: 69,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,413.28 : 106,853.04 = 50,559.86 : x
  2. Step 2: Convert to fraction form
    77,413.28/106,853.04 = 50,559.86/x
  3. Step 3: Cross multiply
    77,413.28x = 106,853.04 × 50,559.86
  4. Step 4: Simplify right side
    77,413.28x = 5,402,474,742.97
  5. Step 5: Solve for x
    x = 5,402,474,742.97/77,413.28
  6. Step 6: Final answer
    x = 69,787.44

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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.