Home / 125,083.28-187,659.99-50,255.96

Finding the Fourth Proportional to 125,083.28, 187,659.99 and 50,255.96

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Solution

The fourth proportional to 125,083.28, 187,659.99 and 50,255.96 is: 75,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,083.28 : 187,659.99 = 50,255.96 : x
  2. Step 2: Convert to fraction form
    125,083.28/187,659.99 = 50,255.96/x
  3. Step 3: Cross multiply
    125,083.28x = 187,659.99 × 50,255.96
  4. Step 4: Simplify right side
    125,083.28x = 9,431,032,699.76
  5. Step 5: Solve for x
    x = 9,431,032,699.76/125,083.28
  6. Step 6: Final answer
    x = 75,398.03

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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.