Home / 83,633.03-115,361.09-49,617.44

Finding the Fourth Proportional to 83,633.03, 115,361.09 and 49,617.44

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Solution

The fourth proportional to 83,633.03, 115,361.09 and 49,617.44 is: 68,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,633.03 : 115,361.09 = 49,617.44 : x
  2. Step 2: Convert to fraction form
    83,633.03/115,361.09 = 49,617.44/x
  3. Step 3: Cross multiply
    83,633.03x = 115,361.09 × 49,617.44
  4. Step 4: Simplify right side
    83,633.03x = 5,723,921,961.41
  5. Step 5: Solve for x
    x = 5,723,921,961.41/83,633.03
  6. Step 6: Final answer
    x = 68,440.93

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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.