Home / 63,235.44-87,112.40-54,131.85

Finding the Fourth Proportional to 63,235.44, 87,112.40 and 54,131.85

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Solution

The fourth proportional to 63,235.44, 87,112.40 and 54,131.85 is: 74,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,235.44 : 87,112.40 = 54,131.85 : x
  2. Step 2: Convert to fraction form
    63,235.44/87,112.40 = 54,131.85/x
  3. Step 3: Cross multiply
    63,235.44x = 87,112.40 × 54,131.85
  4. Step 4: Simplify right side
    63,235.44x = 4,715,555,099.28
  5. Step 5: Solve for x
    x = 4,715,555,099.28/63,235.44
  6. Step 6: Final answer
    x = 74,571.40

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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.