Home / 89,481.12-134,218.59-22,921.90

Finding the Fourth Proportional to 89,481.12, 134,218.59 and 22,921.90

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Solution

The fourth proportional to 89,481.12, 134,218.59 and 22,921.90 is: 34,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,481.12 : 134,218.59 = 22,921.90 : x
  2. Step 2: Convert to fraction form
    89,481.12/134,218.59 = 22,921.90/x
  3. Step 3: Cross multiply
    89,481.12x = 134,218.59 × 22,921.90
  4. Step 4: Simplify right side
    89,481.12x = 3,076,545,431.60
  5. Step 5: Solve for x
    x = 3,076,545,431.60/89,481.12
  6. Step 6: Final answer
    x = 34,382.06

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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.