Home / 125,292.69-187,892.19-50,387.52

Finding the Fourth Proportional to 125,292.69, 187,892.19 and 50,387.52

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Solution

The fourth proportional to 125,292.69, 187,892.19 and 50,387.52 is: 75,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,292.69 : 187,892.19 = 50,387.52 : x
  2. Step 2: Convert to fraction form
    125,292.69/187,892.19 = 50,387.52/x
  3. Step 3: Cross multiply
    125,292.69x = 187,892.19 × 50,387.52
  4. Step 4: Simplify right side
    125,292.69x = 9,467,421,481.47
  5. Step 5: Solve for x
    x = 9,467,421,481.47/125,292.69
  6. Step 6: Final answer
    x = 75,562.44

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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.