Home / 75,105.64-103,644.18-41,113.24

Finding the Fourth Proportional to 75,105.64, 103,644.18 and 41,113.24

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Solution

The fourth proportional to 75,105.64, 103,644.18 and 41,113.24 is: 56,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.64 : 103,644.18 = 41,113.24 : x
  2. Step 2: Convert to fraction form
    75,105.64/103,644.18 = 41,113.24/x
  3. Step 3: Cross multiply
    75,105.64x = 103,644.18 × 41,113.24
  4. Step 4: Simplify right side
    75,105.64x = 4,261,148,046.94
  5. Step 5: Solve for x
    x = 4,261,148,046.94/75,105.64
  6. Step 6: Final answer
    x = 56,735.39

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1.5x scale

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.