Home / 57,245.33-78,998.83-31,749.92

Finding the Fourth Proportional to 57,245.33, 78,998.83 and 31,749.92

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Solution

The fourth proportional to 57,245.33, 78,998.83 and 31,749.92 is: 43,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.33 : 78,998.83 = 31,749.92 : x
  2. Step 2: Convert to fraction form
    57,245.33/78,998.83 = 31,749.92/x
  3. Step 3: Cross multiply
    57,245.33x = 78,998.83 × 31,749.92
  4. Step 4: Simplify right side
    57,245.33x = 2,508,206,373.84
  5. Step 5: Solve for x
    x = 2,508,206,373.84/57,245.33
  6. Step 6: Final answer
    x = 43,815.04

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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.