Home / 54,460.77-81,696.20-21,183.36

Finding the Fourth Proportional to 54,460.77, 81,696.20 and 21,183.36

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Solution

The fourth proportional to 54,460.77, 81,696.20 and 21,183.36 is: 31,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,460.77 : 81,696.20 = 21,183.36 : x
  2. Step 2: Convert to fraction form
    54,460.77/81,696.20 = 21,183.36/x
  3. Step 3: Cross multiply
    54,460.77x = 81,696.20 × 21,183.36
  4. Step 4: Simplify right side
    54,460.77x = 1,730,599,909.32
  5. Step 5: Solve for x
    x = 1,730,599,909.32/54,460.77
  6. Step 6: Final answer
    x = 31,777.00

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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.