Home / 112,475.24-155,209.74-62,171

Finding the Fourth Proportional to 112,475.24, 155,209.74 and 62,171

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Solution

The fourth proportional to 112,475.24, 155,209.74 and 62,171 is: 85,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,475.24 : 155,209.74 = 62,171 : x
  2. Step 2: Convert to fraction form
    112,475.24/155,209.74 = 62,171/x
  3. Step 3: Cross multiply
    112,475.24x = 155,209.74 × 62,171
  4. Step 4: Simplify right side
    112,475.24x = 9,649,544,745.54
  5. Step 5: Solve for x
    x = 9,649,544,745.54/112,475.24
  6. Step 6: Final answer
    x = 85,792.61

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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.