Home / 73,260.24-109,874.96-20,655.60

Finding the Fourth Proportional to 73,260.24, 109,874.96 and 20,655.60

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Solution

The fourth proportional to 73,260.24, 109,874.96 and 20,655.60 is: 30,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,260.24 : 109,874.96 = 20,655.60 : x
  2. Step 2: Convert to fraction form
    73,260.24/109,874.96 = 20,655.60/x
  3. Step 3: Cross multiply
    73,260.24x = 109,874.96 × 20,655.60
  4. Step 4: Simplify right side
    73,260.24x = 2,269,533,223.78
  5. Step 5: Solve for x
    x = 2,269,533,223.78/73,260.24
  6. Step 6: Final answer
    x = 30,979.06

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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.