Home / 63,415.44-87,515.20-35,120.52

Finding the Fourth Proportional to 63,415.44, 87,515.20 and 35,120.52

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Solution

The fourth proportional to 63,415.44, 87,515.20 and 35,120.52 is: 48,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.44 : 87,515.20 = 35,120.52 : x
  2. Step 2: Convert to fraction form
    63,415.44/87,515.20 = 35,120.52/x
  3. Step 3: Cross multiply
    63,415.44x = 87,515.20 × 35,120.52
  4. Step 4: Simplify right side
    63,415.44x = 3,073,579,331.90
  5. Step 5: Solve for x
    x = 3,073,579,331.90/63,415.44
  6. Step 6: Final answer
    x = 48,467.37

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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.