Home / 124,936.50-187,424.23-40,676.78

Finding the Fourth Proportional to 124,936.50, 187,424.23 and 40,676.78

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Solution

The fourth proportional to 124,936.50, 187,424.23 and 40,676.78 is: 61,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,936.50 : 187,424.23 = 40,676.78 : x
  2. Step 2: Convert to fraction form
    124,936.50/187,424.23 = 40,676.78/x
  3. Step 3: Cross multiply
    124,936.50x = 187,424.23 × 40,676.78
  4. Step 4: Simplify right side
    124,936.50x = 7,623,813,131.57
  5. Step 5: Solve for x
    x = 7,623,813,131.57/124,936.50
  6. Step 6: Final answer
    x = 61,021.50

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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.