Home / 43,082.93-64,649.67-18,121.06

Finding the Fourth Proportional to 43,082.93, 64,649.67 and 18,121.06

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Solution

The fourth proportional to 43,082.93, 64,649.67 and 18,121.06 is: 27,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,082.93 : 64,649.67 = 18,121.06 : x
  2. Step 2: Convert to fraction form
    43,082.93/64,649.67 = 18,121.06/x
  3. Step 3: Cross multiply
    43,082.93x = 64,649.67 × 18,121.06
  4. Step 4: Simplify right side
    43,082.93x = 1,171,520,387.43
  5. Step 5: Solve for x
    x = 1,171,520,387.43/43,082.93
  6. Step 6: Final answer
    x = 27,192.22

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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.