Home / 75,164.21-103,676.68-48,340.64

Finding the Fourth Proportional to 75,164.21, 103,676.68 and 48,340.64

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Solution

The fourth proportional to 75,164.21, 103,676.68 and 48,340.64 is: 66,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,164.21 : 103,676.68 = 48,340.64 : x
  2. Step 2: Convert to fraction form
    75,164.21/103,676.68 = 48,340.64/x
  3. Step 3: Cross multiply
    75,164.21x = 103,676.68 × 48,340.64
  4. Step 4: Simplify right side
    75,164.21x = 5,011,797,064.28
  5. Step 5: Solve for x
    x = 5,011,797,064.28/75,164.21
  6. Step 6: Final answer
    x = 66,677.97

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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.