Home / 54,408.70-81,795.30-47,191.60

Finding the Fourth Proportional to 54,408.70, 81,795.30 and 47,191.60

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Solution

The fourth proportional to 54,408.70, 81,795.30 and 47,191.60 is: 70,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.70 : 81,795.30 = 47,191.60 : x
  2. Step 2: Convert to fraction form
    54,408.70/81,795.30 = 47,191.60/x
  3. Step 3: Cross multiply
    54,408.70x = 81,795.30 × 47,191.60
  4. Step 4: Simplify right side
    54,408.70x = 3,860,051,079.48
  5. Step 5: Solve for x
    x = 3,860,051,079.48/54,408.70
  6. Step 6: Final answer
    x = 70,945.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.