Home / 99,413.43-149,120.15-36,238.29

Finding the Fourth Proportional to 99,413.43, 149,120.15 and 36,238.29

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Solution

The fourth proportional to 99,413.43, 149,120.15 and 36,238.29 is: 54,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413.43 : 149,120.15 = 36,238.29 : x
  2. Step 2: Convert to fraction form
    99,413.43/149,120.15 = 36,238.29/x
  3. Step 3: Cross multiply
    99,413.43x = 149,120.15 × 36,238.29
  4. Step 4: Simplify right side
    99,413.43x = 5,403,859,059.35
  5. Step 5: Solve for x
    x = 5,403,859,059.35/99,413.43
  6. Step 6: Final answer
    x = 54,357.44

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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.