Home / 89,719.12-134,582.40-33,553.60

Finding the Fourth Proportional to 89,719.12, 134,582.40 and 33,553.60

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Solution

The fourth proportional to 89,719.12, 134,582.40 and 33,553.60 is: 50,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.12 : 134,582.40 = 33,553.60 : x
  2. Step 2: Convert to fraction form
    89,719.12/134,582.40 = 33,553.60/x
  3. Step 3: Cross multiply
    89,719.12x = 134,582.40 × 33,553.60
  4. Step 4: Simplify right side
    89,719.12x = 4,515,724,016.64
  5. Step 5: Solve for x
    x = 4,515,724,016.64/89,719.12
  6. Step 6: Final answer
    x = 50,331.79

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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.