Home / 87,916-131,880.08-35,325.44

Finding the Fourth Proportional to 87,916, 131,880.08 and 35,325.44

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Solution

The fourth proportional to 87,916, 131,880.08 and 35,325.44 is: 52,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,916 : 131,880.08 = 35,325.44 : x
  2. Step 2: Convert to fraction form
    87,916/131,880.08 = 35,325.44/x
  3. Step 3: Cross multiply
    87,916x = 131,880.08 × 35,325.44
  4. Step 4: Simplify right side
    87,916x = 4,658,721,853.24
  5. Step 5: Solve for x
    x = 4,658,721,853.24/87,916
  6. Step 6: Final answer
    x = 52,990.60

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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.