Home / 123,723.55-185,583.70-30,230.11

Finding the Fourth Proportional to 123,723.55, 185,583.70 and 30,230.11

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Solution

The fourth proportional to 123,723.55, 185,583.70 and 30,230.11 is: 45,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,723.55 : 185,583.70 = 30,230.11 : x
  2. Step 2: Convert to fraction form
    123,723.55/185,583.70 = 30,230.11/x
  3. Step 3: Cross multiply
    123,723.55x = 185,583.70 × 30,230.11
  4. Step 4: Simplify right side
    123,723.55x = 5,610,214,806.04
  5. Step 5: Solve for x
    x = 5,610,214,806.04/123,723.55
  6. Step 6: Final answer
    x = 45,344.76

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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.