Home / 124,998.62-187,517.48-40,739.21

Finding the Fourth Proportional to 124,998.62, 187,517.48 and 40,739.21

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Solution

The fourth proportional to 124,998.62, 187,517.48 and 40,739.21 is: 61,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,998.62 : 187,517.48 = 40,739.21 : x
  2. Step 2: Convert to fraction form
    124,998.62/187,517.48 = 40,739.21/x
  3. Step 3: Cross multiply
    124,998.62x = 187,517.48 × 40,739.21
  4. Step 4: Simplify right side
    124,998.62x = 7,639,312,855.11
  5. Step 5: Solve for x
    x = 7,639,312,855.11/124,998.62
  6. Step 6: Final answer
    x = 61,115.18

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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.