Home / 123,039.48-184,583.81-38,812.68

Finding the Fourth Proportional to 123,039.48, 184,583.81 and 38,812.68

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Solution

The fourth proportional to 123,039.48, 184,583.81 and 38,812.68 is: 58,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,039.48 : 184,583.81 = 38,812.68 : x
  2. Step 2: Convert to fraction form
    123,039.48/184,583.81 = 38,812.68/x
  3. Step 3: Cross multiply
    123,039.48x = 184,583.81 × 38,812.68
  4. Step 4: Simplify right side
    123,039.48x = 7,164,192,156.65
  5. Step 5: Solve for x
    x = 7,164,192,156.65/123,039.48
  6. Step 6: Final answer
    x = 58,226.78

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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.