Home / 74,714.96-103,105.37-40,723.75

Finding the Fourth Proportional to 74,714.96, 103,105.37 and 40,723.75

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Solution

The fourth proportional to 74,714.96, 103,105.37 and 40,723.75 is: 56,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714.96 : 103,105.37 = 40,723.75 : x
  2. Step 2: Convert to fraction form
    74,714.96/103,105.37 = 40,723.75/x
  3. Step 3: Cross multiply
    74,714.96x = 103,105.37 × 40,723.75
  4. Step 4: Simplify right side
    74,714.96x = 4,198,836,962.26
  5. Step 5: Solve for x
    x = 4,198,836,962.26/74,714.96
  6. Step 6: Final answer
    x = 56,198.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.