Home / 75,213.36-112,640.40-41,850.54

Finding the Fourth Proportional to 75,213.36, 112,640.40 and 41,850.54

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Solution

The fourth proportional to 75,213.36, 112,640.40 and 41,850.54 is: 62,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,213.36 : 112,640.40 = 41,850.54 : x
  2. Step 2: Convert to fraction form
    75,213.36/112,640.40 = 41,850.54/x
  3. Step 3: Cross multiply
    75,213.36x = 112,640.40 × 41,850.54
  4. Step 4: Simplify right side
    75,213.36x = 4,714,061,565.82
  5. Step 5: Solve for x
    x = 4,714,061,565.82/75,213.36
  6. Step 6: Final answer
    x = 62,675.85

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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.