Home / 123,721.07-185,599.76-44,816.81

Finding the Fourth Proportional to 123,721.07, 185,599.76 and 44,816.81

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Solution

The fourth proportional to 123,721.07, 185,599.76 and 44,816.81 is: 67,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,721.07 : 185,599.76 = 44,816.81 : x
  2. Step 2: Convert to fraction form
    123,721.07/185,599.76 = 44,816.81/x
  3. Step 3: Cross multiply
    123,721.07x = 185,599.76 × 44,816.81
  4. Step 4: Simplify right side
    123,721.07x = 8,317,988,027.88
  5. Step 5: Solve for x
    x = 8,317,988,027.88/123,721.07
  6. Step 6: Final answer
    x = 67,231.78

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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.