Home / 66,162.83-99,244.33-18,131.85

Finding the Fourth Proportional to 66,162.83, 99,244.33 and 18,131.85

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Solution

The fourth proportional to 66,162.83, 99,244.33 and 18,131.85 is: 27,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.83 : 99,244.33 = 18,131.85 : x
  2. Step 2: Convert to fraction form
    66,162.83/99,244.33 = 18,131.85/x
  3. Step 3: Cross multiply
    66,162.83x = 99,244.33 × 18,131.85
  4. Step 4: Simplify right side
    66,162.83x = 1,799,483,259.58
  5. Step 5: Solve for x
    x = 1,799,483,259.58/66,162.83
  6. Step 6: Final answer
    x = 27,197.80

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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.