Home / 125,339.67-187,962.39-50,434.38

Finding the Fourth Proportional to 125,339.67, 187,962.39 and 50,434.38

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Solution

The fourth proportional to 125,339.67, 187,962.39 and 50,434.38 is: 75,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,339.67 : 187,962.39 = 50,434.38 : x
  2. Step 2: Convert to fraction form
    125,339.67/187,962.39 = 50,434.38/x
  3. Step 3: Cross multiply
    125,339.67x = 187,962.39 × 50,434.38
  4. Step 4: Simplify right side
    125,339.67x = 9,479,766,602.97
  5. Step 5: Solve for x
    x = 9,479,766,602.97/125,339.67
  6. Step 6: Final answer
    x = 75,632.61

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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.