Home / 87,551.04-131,367.60-43,153.60

Finding the Fourth Proportional to 87,551.04, 131,367.60 and 43,153.60

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Solution

The fourth proportional to 87,551.04, 131,367.60 and 43,153.60 is: 64,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.04 : 131,367.60 = 43,153.60 : x
  2. Step 2: Convert to fraction form
    87,551.04/131,367.60 = 43,153.60/x
  3. Step 3: Cross multiply
    87,551.04x = 131,367.60 × 43,153.60
  4. Step 4: Simplify right side
    87,551.04x = 5,668,984,863.36
  5. Step 5: Solve for x
    x = 5,668,984,863.36/87,551.04
  6. Step 6: Final answer
    x = 64,750.63

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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.