Home / 115,414.62-173,142.99-53,083.50

Finding the Fourth Proportional to 115,414.62, 173,142.99 and 53,083.50

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Solution

The fourth proportional to 115,414.62, 173,142.99 and 53,083.50 is: 79,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,414.62 : 173,142.99 = 53,083.50 : x
  2. Step 2: Convert to fraction form
    115,414.62/173,142.99 = 53,083.50/x
  3. Step 3: Cross multiply
    115,414.62x = 173,142.99 × 53,083.50
  4. Step 4: Simplify right side
    115,414.62x = 9,191,035,909.67
  5. Step 5: Solve for x
    x = 9,191,035,909.67/115,414.62
  6. Step 6: Final answer
    x = 79,634.94

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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.