Home / 109,609.20-164,413.80-50,560.20

Finding the Fourth Proportional to 109,609.20, 164,413.80 and 50,560.20

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Solution

The fourth proportional to 109,609.20, 164,413.80 and 50,560.20 is: 75,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,609.20 : 164,413.80 = 50,560.20 : x
  2. Step 2: Convert to fraction form
    109,609.20/164,413.80 = 50,560.20/x
  3. Step 3: Cross multiply
    109,609.20x = 164,413.80 × 50,560.20
  4. Step 4: Simplify right side
    109,609.20x = 8,312,794,610.76
  5. Step 5: Solve for x
    x = 8,312,794,610.76/109,609.20
  6. Step 6: Final answer
    x = 75,840.30

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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.