Home / 87,710.02-131,573.23-28,529.80

Finding the Fourth Proportional to 87,710.02, 131,573.23 and 28,529.80

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Solution

The fourth proportional to 87,710.02, 131,573.23 and 28,529.80 is: 42,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,710.02 : 131,573.23 = 28,529.80 : x
  2. Step 2: Convert to fraction form
    87,710.02/131,573.23 = 28,529.80/x
  3. Step 3: Cross multiply
    87,710.02x = 131,573.23 × 28,529.80
  4. Step 4: Simplify right side
    87,710.02x = 3,753,757,537.00
  5. Step 5: Solve for x
    x = 3,753,757,537.00/87,710.02
  6. Step 6: Final answer
    x = 42,797.36

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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.