Home / 124,439.82-186,660.48-30,945.58

Finding the Fourth Proportional to 124,439.82, 186,660.48 and 30,945.58

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Solution

The fourth proportional to 124,439.82, 186,660.48 and 30,945.58 is: 46,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,439.82 : 186,660.48 = 30,945.58 : x
  2. Step 2: Convert to fraction form
    124,439.82/186,660.48 = 30,945.58/x
  3. Step 3: Cross multiply
    124,439.82x = 186,660.48 × 30,945.58
  4. Step 4: Simplify right side
    124,439.82x = 5,776,316,816.68
  5. Step 5: Solve for x
    x = 5,776,316,816.68/124,439.82
  6. Step 6: Final answer
    x = 46,418.56

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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.