Home / 43,166.45-64,758.49-18,206.47

Finding the Fourth Proportional to 43,166.45, 64,758.49 and 18,206.47

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Solution

The fourth proportional to 43,166.45, 64,758.49 and 18,206.47 is: 27,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,166.45 : 64,758.49 = 18,206.47 : x
  2. Step 2: Convert to fraction form
    43,166.45/64,758.49 = 18,206.47/x
  3. Step 3: Cross multiply
    43,166.45x = 64,758.49 × 18,206.47
  4. Step 4: Simplify right side
    43,166.45x = 1,179,023,540.86
  5. Step 5: Solve for x
    x = 1,179,023,540.86/43,166.45
  6. Step 6: Final answer
    x = 27,313.42

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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.