Home / 66,147.90-99,221.37-26,704.41

Finding the Fourth Proportional to 66,147.90, 99,221.37 and 26,704.41

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Solution

The fourth proportional to 66,147.90, 99,221.37 and 26,704.41 is: 40,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,147.90 : 99,221.37 = 26,704.41 : x
  2. Step 2: Convert to fraction form
    66,147.90/99,221.37 = 26,704.41/x
  3. Step 3: Cross multiply
    66,147.90x = 99,221.37 × 26,704.41
  4. Step 4: Simplify right side
    66,147.90x = 2,649,648,145.24
  5. Step 5: Solve for x
    x = 2,649,648,145.24/66,147.90
  6. Step 6: Final answer
    x = 40,056.42

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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.