Home / 80,331.43-120,413.58-26,983.82

Finding the Fourth Proportional to 80,331.43, 120,413.58 and 26,983.82

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Solution

The fourth proportional to 80,331.43, 120,413.58 and 26,983.82 is: 40,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,331.43 : 120,413.58 = 26,983.82 : x
  2. Step 2: Convert to fraction form
    80,331.43/120,413.58 = 26,983.82/x
  3. Step 3: Cross multiply
    80,331.43x = 120,413.58 × 26,983.82
  4. Step 4: Simplify right side
    80,331.43x = 3,249,218,368.28
  5. Step 5: Solve for x
    x = 3,249,218,368.28/80,331.43
  6. Step 6: Final answer
    x = 40,447.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.