Home / 75,413.40-113,120.10-50,153.55

Finding the Fourth Proportional to 75,413.40, 113,120.10 and 50,153.55

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Solution

The fourth proportional to 75,413.40, 113,120.10 and 50,153.55 is: 75,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,413.40 : 113,120.10 = 50,153.55 : x
  2. Step 2: Convert to fraction form
    75,413.40/113,120.10 = 50,153.55/x
  3. Step 3: Cross multiply
    75,413.40x = 113,120.10 × 50,153.55
  4. Step 4: Simplify right side
    75,413.40x = 5,673,374,591.36
  5. Step 5: Solve for x
    x = 5,673,374,591.36/75,413.40
  6. Step 6: Final answer
    x = 75,230.33

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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.