Home / 124,821-187,247.70-45,936.18

Finding the Fourth Proportional to 124,821, 187,247.70 and 45,936.18

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Solution

The fourth proportional to 124,821, 187,247.70 and 45,936.18 is: 68,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821 : 187,247.70 = 45,936.18 : x
  2. Step 2: Convert to fraction form
    124,821/187,247.70 = 45,936.18/x
  3. Step 3: Cross multiply
    124,821x = 187,247.70 × 45,936.18
  4. Step 4: Simplify right side
    124,821x = 8,601,444,051.79
  5. Step 5: Solve for x
    x = 8,601,444,051.79/124,821
  6. Step 6: Final answer
    x = 68,910.23

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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.