Home / 54,391.45-81,619.53-29,431.00

Finding the Fourth Proportional to 54,391.45, 81,619.53 and 29,431.00

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Solution

The fourth proportional to 54,391.45, 81,619.53 and 29,431.00 is: 44,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.45 : 81,619.53 = 29,431.00 : x
  2. Step 2: Convert to fraction form
    54,391.45/81,619.53 = 29,431.00/x
  3. Step 3: Cross multiply
    54,391.45x = 81,619.53 × 29,431.00
  4. Step 4: Simplify right side
    54,391.45x = 2,402,143,832.18
  5. Step 5: Solve for x
    x = 2,402,143,832.18/54,391.45
  6. Step 6: Final answer
    x = 44,164.00

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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.