Home / 66,109.06-99,183.03-26,645.86

Finding the Fourth Proportional to 66,109.06, 99,183.03 and 26,645.86

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Solution

The fourth proportional to 66,109.06, 99,183.03 and 26,645.86 is: 39,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,109.06 : 99,183.03 = 26,645.86 : x
  2. Step 2: Convert to fraction form
    66,109.06/99,183.03 = 26,645.86/x
  3. Step 3: Cross multiply
    66,109.06x = 99,183.03 × 26,645.86
  4. Step 4: Simplify right side
    66,109.06x = 2,642,817,131.76
  5. Step 5: Solve for x
    x = 2,642,817,131.76/66,109.06
  6. Step 6: Final answer
    x = 39,976.63

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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.