Home / 124,939.75-187,429.11-40,680.02

Finding the Fourth Proportional to 124,939.75, 187,429.11 and 40,680.02

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Solution

The fourth proportional to 124,939.75, 187,429.11 and 40,680.02 is: 61,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939.75 : 187,429.11 = 40,680.02 : x
  2. Step 2: Convert to fraction form
    124,939.75/187,429.11 = 40,680.02/x
  3. Step 3: Cross multiply
    124,939.75x = 187,429.11 × 40,680.02
  4. Step 4: Simplify right side
    124,939.75x = 7,624,619,943.38
  5. Step 5: Solve for x
    x = 7,624,619,943.38/124,939.75
  6. Step 6: Final answer
    x = 61,026.37

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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.