Home / 53,787.78-74,221.44-29,910.60

Finding the Fourth Proportional to 53,787.78, 74,221.44 and 29,910.60

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Solution

The fourth proportional to 53,787.78, 74,221.44 and 29,910.60 is: 41,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.78 : 74,221.44 = 29,910.60 : x
  2. Step 2: Convert to fraction form
    53,787.78/74,221.44 = 29,910.60/x
  3. Step 3: Cross multiply
    53,787.78x = 74,221.44 × 29,910.60
  4. Step 4: Simplify right side
    53,787.78x = 2,220,007,803.26
  5. Step 5: Solve for x
    x = 2,220,007,803.26/53,787.78
  6. Step 6: Final answer
    x = 41,273.46

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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.