Home / 87,705.03-131,571.29-28,526.83

Finding the Fourth Proportional to 87,705.03, 131,571.29 and 28,526.83

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Solution

The fourth proportional to 87,705.03, 131,571.29 and 28,526.83 is: 42,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,705.03 : 131,571.29 = 28,526.83 : x
  2. Step 2: Convert to fraction form
    87,705.03/131,571.29 = 28,526.83/x
  3. Step 3: Cross multiply
    87,705.03x = 131,571.29 × 28,526.83
  4. Step 4: Simplify right side
    87,705.03x = 3,753,311,822.71
  5. Step 5: Solve for x
    x = 3,753,311,822.71/87,705.03
  6. Step 6: Final answer
    x = 42,794.72

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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.