Home / 87,704.76-131,535.24-34,407.60

Finding the Fourth Proportional to 87,704.76, 131,535.24 and 34,407.60

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Solution

The fourth proportional to 87,704.76, 131,535.24 and 34,407.60 is: 51,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704.76 : 131,535.24 = 34,407.60 : x
  2. Step 2: Convert to fraction form
    87,704.76/131,535.24 = 34,407.60/x
  3. Step 3: Cross multiply
    87,704.76x = 131,535.24 × 34,407.60
  4. Step 4: Simplify right side
    87,704.76x = 4,525,811,923.82
  5. Step 5: Solve for x
    x = 4,525,811,923.82/87,704.76
  6. Step 6: Final answer
    x = 51,602.81

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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.