Home / 57,750.18-79,694.64-33,872.28

Finding the Fourth Proportional to 57,750.18, 79,694.64 and 33,872.28

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Solution

The fourth proportional to 57,750.18, 79,694.64 and 33,872.28 is: 46,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.18 : 79,694.64 = 33,872.28 : x
  2. Step 2: Convert to fraction form
    57,750.18/79,694.64 = 33,872.28/x
  3. Step 3: Cross multiply
    57,750.18x = 79,694.64 × 33,872.28
  4. Step 4: Simplify right side
    57,750.18x = 2,699,439,160.58
  5. Step 5: Solve for x
    x = 2,699,439,160.58/57,750.18
  6. Step 6: Final answer
    x = 46,743.39

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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.