Home / 125,121.77-187,682.65-31,627.52

Finding the Fourth Proportional to 125,121.77, 187,682.65 and 31,627.52

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Solution

The fourth proportional to 125,121.77, 187,682.65 and 31,627.52 is: 47,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,121.77 : 187,682.65 = 31,627.52 : x
  2. Step 2: Convert to fraction form
    125,121.77/187,682.65 = 31,627.52/x
  3. Step 3: Cross multiply
    125,121.77x = 187,682.65 × 31,627.52
  4. Step 4: Simplify right side
    125,121.77x = 5,935,935,749.05
  5. Step 5: Solve for x
    x = 5,935,935,749.05/125,121.77
  6. Step 6: Final answer
    x = 47,441.27

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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.