Home / 87,824.48-131,696.40-37,880.64

Finding the Fourth Proportional to 87,824.48, 131,696.40 and 37,880.64

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Solution

The fourth proportional to 87,824.48, 131,696.40 and 37,880.64 is: 56,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.48 : 131,696.40 = 37,880.64 : x
  2. Step 2: Convert to fraction form
    87,824.48/131,696.40 = 37,880.64/x
  3. Step 3: Cross multiply
    87,824.48x = 131,696.40 × 37,880.64
  4. Step 4: Simplify right side
    87,824.48x = 4,988,743,917.70
  5. Step 5: Solve for x
    x = 4,988,743,917.70/87,824.48
  6. Step 6: Final answer
    x = 56,803.57

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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.