Home / 87,413.45-120,626.55-49,176.18

Finding the Fourth Proportional to 87,413.45, 120,626.55 and 49,176.18

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Solution

The fourth proportional to 87,413.45, 120,626.55 and 49,176.18 is: 67,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,413.45 : 120,626.55 = 49,176.18 : x
  2. Step 2: Convert to fraction form
    87,413.45/120,626.55 = 49,176.18/x
  3. Step 3: Cross multiply
    87,413.45x = 120,626.55 × 49,176.18
  4. Step 4: Simplify right side
    87,413.45x = 5,931,952,935.58
  5. Step 5: Solve for x
    x = 5,931,952,935.58/87,413.45
  6. Step 6: Final answer
    x = 67,860.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.