Home / 104,928.95-157,439.80-54,997.11

Finding the Fourth Proportional to 104,928.95, 157,439.80 and 54,997.11

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Solution

The fourth proportional to 104,928.95, 157,439.80 and 54,997.11 is: 82,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.95 : 157,439.80 = 54,997.11 : x
  2. Step 2: Convert to fraction form
    104,928.95/157,439.80 = 54,997.11/x
  3. Step 3: Cross multiply
    104,928.95x = 157,439.80 × 54,997.11
  4. Step 4: Simplify right side
    104,928.95x = 8,658,734,067.72
  5. Step 5: Solve for x
    x = 8,658,734,067.72/104,928.95
  6. Step 6: Final answer
    x = 82,519.97

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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.