Home / 89,723.90-134,413.38-50,161.04

Finding the Fourth Proportional to 89,723.90, 134,413.38 and 50,161.04

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Solution

The fourth proportional to 89,723.90, 134,413.38 and 50,161.04 is: 75,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.90 : 134,413.38 = 50,161.04 : x
  2. Step 2: Convert to fraction form
    89,723.90/134,413.38 = 50,161.04/x
  3. Step 3: Cross multiply
    89,723.90x = 134,413.38 × 50,161.04
  4. Step 4: Simplify right side
    89,723.90x = 6,742,314,930.72
  5. Step 5: Solve for x
    x = 6,742,314,930.72/89,723.90
  6. Step 6: Final answer
    x = 75,145.14

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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.