Home / 75,654.72-113,481.96-75,545.28

Finding the Fourth Proportional to 75,654.72, 113,481.96 and 75,545.28

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Solution

The fourth proportional to 75,654.72, 113,481.96 and 75,545.28 is: 113,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,654.72 : 113,481.96 = 75,545.28 : x
  2. Step 2: Convert to fraction form
    75,654.72/113,481.96 = 75,545.28/x
  3. Step 3: Cross multiply
    75,654.72x = 113,481.96 × 75,545.28
  4. Step 4: Simplify right side
    75,654.72x = 8,573,026,443.15
  5. Step 5: Solve for x
    x = 8,573,026,443.15/75,654.72
  6. Step 6: Final answer
    x = 113,317.80

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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.