Home / 50,403.66-75,622.05-25,431.90

Finding the Fourth Proportional to 50,403.66, 75,622.05 and 25,431.90

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Solution

The fourth proportional to 50,403.66, 75,622.05 and 25,431.90 is: 38,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,403.66 : 75,622.05 = 25,431.90 : x
  2. Step 2: Convert to fraction form
    50,403.66/75,622.05 = 25,431.90/x
  3. Step 3: Cross multiply
    50,403.66x = 75,622.05 × 25,431.90
  4. Step 4: Simplify right side
    50,403.66x = 1,923,212,413.40
  5. Step 5: Solve for x
    x = 1,923,212,413.40/50,403.66
  6. Step 6: Final answer
    x = 38,156.21

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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.