Home / 125,122.14-187,683.21-31,627.89

Finding the Fourth Proportional to 125,122.14, 187,683.21 and 31,627.89

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Solution

The fourth proportional to 125,122.14, 187,683.21 and 31,627.89 is: 47,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,122.14 : 187,683.21 = 31,627.89 : x
  2. Step 2: Convert to fraction form
    125,122.14/187,683.21 = 31,627.89/x
  3. Step 3: Cross multiply
    125,122.14x = 187,683.21 × 31,627.89
  4. Step 4: Simplify right side
    125,122.14x = 5,936,023,920.73
  5. Step 5: Solve for x
    x = 5,936,023,920.73/125,122.14
  6. Step 6: Final answer
    x = 47,441.84

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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.