Home / 48,515.22-72,759.87-13,451.94

Finding the Fourth Proportional to 48,515.22, 72,759.87 and 13,451.94

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Solution

The fourth proportional to 48,515.22, 72,759.87 and 13,451.94 is: 20,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.22 : 72,759.87 = 13,451.94 : x
  2. Step 2: Convert to fraction form
    48,515.22/72,759.87 = 13,451.94/x
  3. Step 3: Cross multiply
    48,515.22x = 72,759.87 × 13,451.94
  4. Step 4: Simplify right side
    48,515.22x = 978,761,405.65
  5. Step 5: Solve for x
    x = 978,761,405.65/48,515.22
  6. Step 6: Final answer
    x = 20,174.32

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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.