Home / 89,431.56-134,175.42-36,865.80

Finding the Fourth Proportional to 89,431.56, 134,175.42 and 36,865.80

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Solution

The fourth proportional to 89,431.56, 134,175.42 and 36,865.80 is: 55,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,431.56 : 134,175.42 = 36,865.80 : x
  2. Step 2: Convert to fraction form
    89,431.56/134,175.42 = 36,865.80/x
  3. Step 3: Cross multiply
    89,431.56x = 134,175.42 × 36,865.80
  4. Step 4: Simplify right side
    89,431.56x = 4,946,484,198.64
  5. Step 5: Solve for x
    x = 4,946,484,198.64/89,431.56
  6. Step 6: Final answer
    x = 55,310.28

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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.