Home / 125,022.78-187,610.73-50,134.98

Finding the Fourth Proportional to 125,022.78, 187,610.73 and 50,134.98

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Solution

The fourth proportional to 125,022.78, 187,610.73 and 50,134.98 is: 75,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,022.78 : 187,610.73 = 50,134.98 : x
  2. Step 2: Convert to fraction form
    125,022.78/187,610.73 = 50,134.98/x
  3. Step 3: Cross multiply
    125,022.78x = 187,610.73 × 50,134.98
  4. Step 4: Simplify right side
    125,022.78x = 9,405,860,196.34
  5. Step 5: Solve for x
    x = 9,405,860,196.34/125,022.78
  6. Step 6: Final answer
    x = 75,233.17

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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.