Home / 125,871.20-188,761.83-41,615.81

Finding the Fourth Proportional to 125,871.20, 188,761.83 and 41,615.81

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Solution

The fourth proportional to 125,871.20, 188,761.83 and 41,615.81 is: 62,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,871.20 : 188,761.83 = 41,615.81 : x
  2. Step 2: Convert to fraction form
    125,871.20/188,761.83 = 41,615.81/x
  3. Step 3: Cross multiply
    125,871.20x = 188,761.83 × 41,615.81
  4. Step 4: Simplify right side
    125,871.20x = 7,855,476,060.52
  5. Step 5: Solve for x
    x = 7,855,476,060.52/125,871.20
  6. Step 6: Final answer
    x = 62,408.84

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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.