Home / 89,532.12-134,183.22-36,978.60

Finding the Fourth Proportional to 89,532.12, 134,183.22 and 36,978.60

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Solution

The fourth proportional to 89,532.12, 134,183.22 and 36,978.60 is: 55,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,532.12 : 134,183.22 = 36,978.60 : x
  2. Step 2: Convert to fraction form
    89,532.12/134,183.22 = 36,978.60/x
  3. Step 3: Cross multiply
    89,532.12x = 134,183.22 × 36,978.60
  4. Step 4: Simplify right side
    89,532.12x = 4,961,907,619.09
  5. Step 5: Solve for x
    x = 4,961,907,619.09/89,532.12
  6. Step 6: Final answer
    x = 55,420.42

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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.