Home / 54,738.41-81,563.48-48,769.42

Finding the Fourth Proportional to 54,738.41, 81,563.48 and 48,769.42

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Solution

The fourth proportional to 54,738.41, 81,563.48 and 48,769.42 is: 72,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.41 : 81,563.48 = 48,769.42 : x
  2. Step 2: Convert to fraction form
    54,738.41/81,563.48 = 48,769.42/x
  3. Step 3: Cross multiply
    54,738.41x = 81,563.48 × 48,769.42
  4. Step 4: Simplify right side
    54,738.41x = 3,977,803,408.61
  5. Step 5: Solve for x
    x = 3,977,803,408.61/54,738.41
  6. Step 6: Final answer
    x = 72,669.33

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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.