Home / 96,704.24-145,031.72-30,131.96

Finding the Fourth Proportional to 96,704.24, 145,031.72 and 30,131.96

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Solution

The fourth proportional to 96,704.24, 145,031.72 and 30,131.96 is: 45,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,704.24 : 145,031.72 = 30,131.96 : x
  2. Step 2: Convert to fraction form
    96,704.24/145,031.72 = 30,131.96/x
  3. Step 3: Cross multiply
    96,704.24x = 145,031.72 × 30,131.96
  4. Step 4: Simplify right side
    96,704.24x = 4,370,089,985.77
  5. Step 5: Solve for x
    x = 4,370,089,985.77/96,704.24
  6. Step 6: Final answer
    x = 45,190.26

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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.