Home / 73,545.22-110,317.83-20,954.62

Finding the Fourth Proportional to 73,545.22, 110,317.83 and 20,954.62

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Solution

The fourth proportional to 73,545.22, 110,317.83 and 20,954.62 is: 31,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.22 : 110,317.83 = 20,954.62 : x
  2. Step 2: Convert to fraction form
    73,545.22/110,317.83 = 20,954.62/x
  3. Step 3: Cross multiply
    73,545.22x = 110,317.83 × 20,954.62
  4. Step 4: Simplify right side
    73,545.22x = 2,311,668,206.87
  5. Step 5: Solve for x
    x = 2,311,668,206.87/73,545.22
  6. Step 6: Final answer
    x = 31,431.93

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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.