Home / 52,287.11-72,156.15-28,413.73

Finding the Fourth Proportional to 52,287.11, 72,156.15 and 28,413.73

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Solution

The fourth proportional to 52,287.11, 72,156.15 and 28,413.73 is: 39,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.11 : 72,156.15 = 28,413.73 : x
  2. Step 2: Convert to fraction form
    52,287.11/72,156.15 = 28,413.73/x
  3. Step 3: Cross multiply
    52,287.11x = 72,156.15 × 28,413.73
  4. Step 4: Simplify right side
    52,287.11x = 2,050,225,183.55
  5. Step 5: Solve for x
    x = 2,050,225,183.55/52,287.11
  6. Step 6: Final answer
    x = 39,210.91

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Double scale
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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.