Home / 75,123.22-103,671.27-41,131.14

Finding the Fourth Proportional to 75,123.22, 103,671.27 and 41,131.14

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Solution

The fourth proportional to 75,123.22, 103,671.27 and 41,131.14 is: 56,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.22 : 103,671.27 = 41,131.14 : x
  2. Step 2: Convert to fraction form
    75,123.22/103,671.27 = 41,131.14/x
  3. Step 3: Cross multiply
    75,123.22x = 103,671.27 × 41,131.14
  4. Step 4: Simplify right side
    75,123.22x = 4,264,117,520.35
  5. Step 5: Solve for x
    x = 4,264,117,520.35/75,123.22
  6. Step 6: Final answer
    x = 56,761.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.