Home / 87,632.02-131,435.67-28,468.41

Finding the Fourth Proportional to 87,632.02, 131,435.67 and 28,468.41

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Solution

The fourth proportional to 87,632.02, 131,435.67 and 28,468.41 is: 42,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.02 : 131,435.67 = 28,468.41 : x
  2. Step 2: Convert to fraction form
    87,632.02/131,435.67 = 28,468.41/x
  3. Step 3: Cross multiply
    87,632.02x = 131,435.67 × 28,468.41
  4. Step 4: Simplify right side
    87,632.02x = 3,741,764,542.18
  5. Step 5: Solve for x
    x = 3,741,764,542.18/87,632.02
  6. Step 6: Final answer
    x = 42,698.60

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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.