Home / 43,074.18-64,590.21-17,768.98

Finding the Fourth Proportional to 43,074.18, 64,590.21 and 17,768.98

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Solution

The fourth proportional to 43,074.18, 64,590.21 and 17,768.98 is: 26,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.18 : 64,590.21 = 17,768.98 : x
  2. Step 2: Convert to fraction form
    43,074.18/64,590.21 = 17,768.98/x
  3. Step 3: Cross multiply
    43,074.18x = 64,590.21 × 17,768.98
  4. Step 4: Simplify right side
    43,074.18x = 1,147,702,149.69
  5. Step 5: Solve for x
    x = 1,147,702,149.69/43,074.18
  6. Step 6: Final answer
    x = 26,644.78

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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.