Home / 54,555.72-81,833.58-47,137.74

Finding the Fourth Proportional to 54,555.72, 81,833.58 and 47,137.74

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Solution

The fourth proportional to 54,555.72, 81,833.58 and 47,137.74 is: 70,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.72 : 81,833.58 = 47,137.74 : x
  2. Step 2: Convert to fraction form
    54,555.72/81,833.58 = 47,137.74/x
  3. Step 3: Cross multiply
    54,555.72x = 81,833.58 × 47,137.74
  4. Step 4: Simplify right side
    54,555.72x = 3,857,450,017.31
  5. Step 5: Solve for x
    x = 3,857,450,017.31/54,555.72
  6. Step 6: Final answer
    x = 70,706.61

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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.