Home / 66,442.48-99,690.26-27,002.68

Finding the Fourth Proportional to 66,442.48, 99,690.26 and 27,002.68

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Solution

The fourth proportional to 66,442.48, 99,690.26 and 27,002.68 is: 40,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.48 : 99,690.26 = 27,002.68 : x
  2. Step 2: Convert to fraction form
    66,442.48/99,690.26 = 27,002.68/x
  3. Step 3: Cross multiply
    66,442.48x = 99,690.26 × 27,002.68
  4. Step 4: Simplify right side
    66,442.48x = 2,691,904,189.90
  5. Step 5: Solve for x
    x = 2,691,904,189.90/66,442.48
  6. Step 6: Final answer
    x = 40,514.81

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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.