Home / 54,764.72-81,750.92-48,121.72

Finding the Fourth Proportional to 54,764.72, 81,750.92 and 48,121.72

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Solution

The fourth proportional to 54,764.72, 81,750.92 and 48,121.72 is: 71,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.72 : 81,750.92 = 48,121.72 : x
  2. Step 2: Convert to fraction form
    54,764.72/81,750.92 = 48,121.72/x
  3. Step 3: Cross multiply
    54,764.72x = 81,750.92 × 48,121.72
  4. Step 4: Simplify right side
    54,764.72x = 3,933,994,881.98
  5. Step 5: Solve for x
    x = 3,933,994,881.98/54,764.72
  6. Step 6: Final answer
    x = 71,834.47

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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.