Home / 123,624.43-185,464.60-39,389.38

Finding the Fourth Proportional to 123,624.43, 185,464.60 and 39,389.38

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Solution

The fourth proportional to 123,624.43, 185,464.60 and 39,389.38 is: 59,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,624.43 : 185,464.60 = 39,389.38 : x
  2. Step 2: Convert to fraction form
    123,624.43/185,464.60 = 39,389.38/x
  3. Step 3: Cross multiply
    123,624.43x = 185,464.60 × 39,389.38
  4. Step 4: Simplify right side
    123,624.43x = 7,305,335,043.81
  5. Step 5: Solve for x
    x = 7,305,335,043.81/123,624.43
  6. Step 6: Final answer
    x = 59,092.97

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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.