Home / 124,963.26-187,425.63-40,723.21

Finding the Fourth Proportional to 124,963.26, 187,425.63 and 40,723.21

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Solution

The fourth proportional to 124,963.26, 187,425.63 and 40,723.21 is: 61,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,963.26 : 187,425.63 = 40,723.21 : x
  2. Step 2: Convert to fraction form
    124,963.26/187,425.63 = 40,723.21/x
  3. Step 3: Cross multiply
    124,963.26x = 187,425.63 × 40,723.21
  4. Step 4: Simplify right side
    124,963.26x = 7,632,573,289.87
  5. Step 5: Solve for x
    x = 7,632,573,289.87/124,963.26
  6. Step 6: Final answer
    x = 61,078.54

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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.