Home / 124,893.42-172,355.87-71,183.43

Finding the Fourth Proportional to 124,893.42, 172,355.87 and 71,183.43

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Solution

The fourth proportional to 124,893.42, 172,355.87 and 71,183.43 is: 98,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893.42 : 172,355.87 = 71,183.43 : x
  2. Step 2: Convert to fraction form
    124,893.42/172,355.87 = 71,183.43/x
  3. Step 3: Cross multiply
    124,893.42x = 172,355.87 × 71,183.43
  4. Step 4: Simplify right side
    124,893.42x = 12,268,882,185.19
  5. Step 5: Solve for x
    x = 12,268,882,185.19/124,893.42
  6. Step 6: Final answer
    x = 98,234.82

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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.