Home / 41,203.53-61,811.19-12,742.68

Finding the Fourth Proportional to 41,203.53, 61,811.19 and 12,742.68

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Solution

The fourth proportional to 41,203.53, 61,811.19 and 12,742.68 is: 19,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,203.53 : 61,811.19 = 12,742.68 : x
  2. Step 2: Convert to fraction form
    41,203.53/61,811.19 = 12,742.68/x
  3. Step 3: Cross multiply
    41,203.53x = 61,811.19 × 12,742.68
  4. Step 4: Simplify right side
    41,203.53x = 787,640,214.59
  5. Step 5: Solve for x
    x = 787,640,214.59/41,203.53
  6. Step 6: Final answer
    x = 19,115.84

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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.