Home / 54,555.84-81,833.77-15,112.98

Finding the Fourth Proportional to 54,555.84, 81,833.77 and 15,112.98

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Solution

The fourth proportional to 54,555.84, 81,833.77 and 15,112.98 is: 22,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.84 : 81,833.77 = 15,112.98 : x
  2. Step 2: Convert to fraction form
    54,555.84/81,833.77 = 15,112.98/x
  3. Step 3: Cross multiply
    54,555.84x = 81,833.77 × 15,112.98
  4. Step 4: Simplify right side
    54,555.84x = 1,236,751,720.17
  5. Step 5: Solve for x
    x = 1,236,751,720.17/54,555.84
  6. Step 6: Final answer
    x = 22,669.47

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Double scale
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Similar ratio
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1.5x scale

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.