Home / 56,881.73-78,512.40-33,016.09

Finding the Fourth Proportional to 56,881.73, 78,512.40 and 33,016.09

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Solution

The fourth proportional to 56,881.73, 78,512.40 and 33,016.09 is: 45,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.73 : 78,512.40 = 33,016.09 : x
  2. Step 2: Convert to fraction form
    56,881.73/78,512.40 = 33,016.09/x
  3. Step 3: Cross multiply
    56,881.73x = 78,512.40 × 33,016.09
  4. Step 4: Simplify right side
    56,881.73x = 2,592,172,464.52
  5. Step 5: Solve for x
    x = 2,592,172,464.52/56,881.73
  6. Step 6: Final answer
    x = 45,571.27

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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.