Home / 75,487.14-113,234.15-53,399.25

Finding the Fourth Proportional to 75,487.14, 113,234.15 and 53,399.25

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Solution

The fourth proportional to 75,487.14, 113,234.15 and 53,399.25 is: 80,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,487.14 : 113,234.15 = 53,399.25 : x
  2. Step 2: Convert to fraction form
    75,487.14/113,234.15 = 53,399.25/x
  3. Step 3: Cross multiply
    75,487.14x = 113,234.15 × 53,399.25
  4. Step 4: Simplify right side
    75,487.14x = 6,046,618,817.89
  5. Step 5: Solve for x
    x = 6,046,618,817.89/75,487.14
  6. Step 6: Final answer
    x = 80,101.31

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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.