Home / 75,679.01-113,343.55-73,054.61

Finding the Fourth Proportional to 75,679.01, 113,343.55 and 73,054.61

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Solution

The fourth proportional to 75,679.01, 113,343.55 and 73,054.61 is: 109,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.01 : 113,343.55 = 73,054.61 : x
  2. Step 2: Convert to fraction form
    75,679.01/113,343.55 = 73,054.61/x
  3. Step 3: Cross multiply
    75,679.01x = 113,343.55 × 73,054.61
  4. Step 4: Simplify right side
    75,679.01x = 8,280,268,841.27
  5. Step 5: Solve for x
    x = 8,280,268,841.27/75,679.01
  6. Step 6: Final answer
    x = 109,413.02

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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.