Home / 57,043.33-78,688.19-33,167.36

Finding the Fourth Proportional to 57,043.33, 78,688.19 and 33,167.36

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Solution

The fourth proportional to 57,043.33, 78,688.19 and 33,167.36 is: 45,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.33 : 78,688.19 = 33,167.36 : x
  2. Step 2: Convert to fraction form
    57,043.33/78,688.19 = 33,167.36/x
  3. Step 3: Cross multiply
    57,043.33x = 78,688.19 × 33,167.36
  4. Step 4: Simplify right side
    57,043.33x = 2,609,879,805.12
  5. Step 5: Solve for x
    x = 2,609,879,805.12/57,043.33
  6. Step 6: Final answer
    x = 45,752.59

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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.