Home / 48,236.11-72,347.78-30,413.88

Finding the Fourth Proportional to 48,236.11, 72,347.78 and 30,413.88

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Solution

The fourth proportional to 48,236.11, 72,347.78 and 30,413.88 is: 45,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,236.11 : 72,347.78 = 30,413.88 : x
  2. Step 2: Convert to fraction form
    48,236.11/72,347.78 = 30,413.88/x
  3. Step 3: Cross multiply
    48,236.11x = 72,347.78 × 30,413.88
  4. Step 4: Simplify right side
    48,236.11x = 2,200,376,775.22
  5. Step 5: Solve for x
    x = 2,200,376,775.22/48,236.11
  6. Step 6: Final answer
    x = 45,616.80

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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.