Home / 89,400.64-134,157.48-49,983.64

Finding the Fourth Proportional to 89,400.64, 134,157.48 and 49,983.64

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Solution

The fourth proportional to 89,400.64, 134,157.48 and 49,983.64 is: 75,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,400.64 : 134,157.48 = 49,983.64 : x
  2. Step 2: Convert to fraction form
    89,400.64/134,157.48 = 49,983.64/x
  3. Step 3: Cross multiply
    89,400.64x = 134,157.48 × 49,983.64
  4. Step 4: Simplify right side
    89,400.64x = 6,705,679,183.63
  5. Step 5: Solve for x
    x = 6,705,679,183.63/89,400.64
  6. Step 6: Final answer
    x = 75,007.06

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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.