Home / 45,336.22-68,119.14-28,704.07

Finding the Fourth Proportional to 45,336.22, 68,119.14 and 28,704.07

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Solution

The fourth proportional to 45,336.22, 68,119.14 and 28,704.07 is: 43,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.22 : 68,119.14 = 28,704.07 : x
  2. Step 2: Convert to fraction form
    45,336.22/68,119.14 = 28,704.07/x
  3. Step 3: Cross multiply
    45,336.22x = 68,119.14 × 28,704.07
  4. Step 4: Simplify right side
    45,336.22x = 1,955,296,562.90
  5. Step 5: Solve for x
    x = 1,955,296,562.90/45,336.22
  6. Step 6: Final answer
    x = 43,128.80

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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.