Home / 75,429.38-104,111.25-43,593.68

Finding the Fourth Proportional to 75,429.38, 104,111.25 and 43,593.68

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Solution

The fourth proportional to 75,429.38, 104,111.25 and 43,593.68 is: 60,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.38 : 104,111.25 = 43,593.68 : x
  2. Step 2: Convert to fraction form
    75,429.38/104,111.25 = 43,593.68/x
  3. Step 3: Cross multiply
    75,429.38x = 104,111.25 × 43,593.68
  4. Step 4: Simplify right side
    75,429.38x = 4,538,592,516.90
  5. Step 5: Solve for x
    x = 4,538,592,516.90/75,429.38
  6. Step 6: Final answer
    x = 60,170.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.