Home / 54,380.16-81,552.96-36,961.92

Finding the Fourth Proportional to 54,380.16, 81,552.96 and 36,961.92

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Solution

The fourth proportional to 54,380.16, 81,552.96 and 36,961.92 is: 55,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.16 : 81,552.96 = 36,961.92 : x
  2. Step 2: Convert to fraction form
    54,380.16/81,552.96 = 36,961.92/x
  3. Step 3: Cross multiply
    54,380.16x = 81,552.96 × 36,961.92
  4. Step 4: Simplify right side
    54,380.16x = 3,014,353,983.28
  5. Step 5: Solve for x
    x = 3,014,353,983.28/54,380.16
  6. Step 6: Final answer
    x = 55,431.13

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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.