Home / 87,619.60-131,448.12-32,215.60

Finding the Fourth Proportional to 87,619.60, 131,448.12 and 32,215.60

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Solution

The fourth proportional to 87,619.60, 131,448.12 and 32,215.60 is: 48,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.60 : 131,448.12 = 32,215.60 : x
  2. Step 2: Convert to fraction form
    87,619.60/131,448.12 = 32,215.60/x
  3. Step 3: Cross multiply
    87,619.60x = 131,448.12 × 32,215.60
  4. Step 4: Simplify right side
    87,619.60x = 4,234,680,054.67
  5. Step 5: Solve for x
    x = 4,234,680,054.67/87,619.60
  6. Step 6: Final answer
    x = 48,330.28

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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.