Home / 57,036.99-78,709.68-33,171.96

Finding the Fourth Proportional to 57,036.99, 78,709.68 and 33,171.96

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Solution

The fourth proportional to 57,036.99, 78,709.68 and 33,171.96 is: 45,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.99 : 78,709.68 = 33,171.96 : x
  2. Step 2: Convert to fraction form
    57,036.99/78,709.68 = 33,171.96/x
  3. Step 3: Cross multiply
    57,036.99x = 78,709.68 × 33,171.96
  4. Step 4: Simplify right side
    57,036.99x = 2,610,954,356.57
  5. Step 5: Solve for x
    x = 2,610,954,356.57/57,036.99
  6. Step 6: Final answer
    x = 45,776.51

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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.