Home / 75,848.85-113,843.15-38,435.42

Finding the Fourth Proportional to 75,848.85, 113,843.15 and 38,435.42

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Solution

The fourth proportional to 75,848.85, 113,843.15 and 38,435.42 is: 57,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848.85 : 113,843.15 = 38,435.42 : x
  2. Step 2: Convert to fraction form
    75,848.85/113,843.15 = 38,435.42/x
  3. Step 3: Cross multiply
    75,848.85x = 113,843.15 × 38,435.42
  4. Step 4: Simplify right side
    75,848.85x = 4,375,609,092.20
  5. Step 5: Solve for x
    x = 4,375,609,092.20/75,848.85
  6. Step 6: Final answer
    x = 57,688.54

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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.