Home / 88,542.72-122,199.84-54,558.36

Finding the Fourth Proportional to 88,542.72, 122,199.84 and 54,558.36

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Solution

The fourth proportional to 88,542.72, 122,199.84 and 54,558.36 is: 75,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,542.72 : 122,199.84 = 54,558.36 : x
  2. Step 2: Convert to fraction form
    88,542.72/122,199.84 = 54,558.36/x
  3. Step 3: Cross multiply
    88,542.72x = 122,199.84 × 54,558.36
  4. Step 4: Simplify right side
    88,542.72x = 6,667,022,862.66
  5. Step 5: Solve for x
    x = 6,667,022,862.66/88,542.72
  6. Step 6: Final answer
    x = 75,297.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.