Home / 57,749.52-79,694.54-31,253.52

Finding the Fourth Proportional to 57,749.52, 79,694.54 and 31,253.52

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Solution

The fourth proportional to 57,749.52, 79,694.54 and 31,253.52 is: 43,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.52 : 79,694.54 = 31,253.52 : x
  2. Step 2: Convert to fraction form
    57,749.52/79,694.54 = 31,253.52/x
  3. Step 3: Cross multiply
    57,749.52x = 79,694.54 × 31,253.52
  4. Step 4: Simplify right side
    57,749.52x = 2,490,734,899.78
  5. Step 5: Solve for x
    x = 2,490,734,899.78/57,749.52
  6. Step 6: Final answer
    x = 43,129.97

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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.