Home / 54,780.54-81,774.48-48,137.46

Finding the Fourth Proportional to 54,780.54, 81,774.48 and 48,137.46

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Solution

The fourth proportional to 54,780.54, 81,774.48 and 48,137.46 is: 71,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.54 : 81,774.48 = 48,137.46 : x
  2. Step 2: Convert to fraction form
    54,780.54/81,774.48 = 48,137.46/x
  3. Step 3: Cross multiply
    54,780.54x = 81,774.48 × 48,137.46
  4. Step 4: Simplify right side
    54,780.54x = 3,936,415,760.02
  5. Step 5: Solve for x
    x = 3,936,415,760.02/54,780.54
  6. Step 6: Final answer
    x = 71,857.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.