Home / 57,936.08-79,910.52-53,171.39

Finding the Fourth Proportional to 57,936.08, 79,910.52 and 53,171.39

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Solution

The fourth proportional to 57,936.08, 79,910.52 and 53,171.39 is: 73,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,936.08 : 79,910.52 = 53,171.39 : x
  2. Step 2: Convert to fraction form
    57,936.08/79,910.52 = 53,171.39/x
  3. Step 3: Cross multiply
    57,936.08x = 79,910.52 × 53,171.39
  4. Step 4: Simplify right side
    57,936.08x = 4,248,953,424.02
  5. Step 5: Solve for x
    x = 4,248,953,424.02/57,936.08
  6. Step 6: Final answer
    x = 73,338.64

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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.