Home / 54,520.09-81,648.91-36,936.61

Finding the Fourth Proportional to 54,520.09, 81,648.91 and 36,936.61

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Solution

The fourth proportional to 54,520.09, 81,648.91 and 36,936.61 is: 55,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.09 : 81,648.91 = 36,936.61 : x
  2. Step 2: Convert to fraction form
    54,520.09/81,648.91 = 36,936.61/x
  3. Step 3: Cross multiply
    54,520.09x = 81,648.91 × 36,936.61
  4. Step 4: Simplify right side
    54,520.09x = 3,015,833,649.13
  5. Step 5: Solve for x
    x = 3,015,833,649.13/54,520.09
  6. Step 6: Final answer
    x = 55,316.01

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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.