Home / 54,450.92-82,080.40-49,721.24

Finding the Fourth Proportional to 54,450.92, 82,080.40 and 49,721.24

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Solution

The fourth proportional to 54,450.92, 82,080.40 and 49,721.24 is: 74,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.92 : 82,080.40 = 49,721.24 : x
  2. Step 2: Convert to fraction form
    54,450.92/82,080.40 = 49,721.24/x
  3. Step 3: Cross multiply
    54,450.92x = 82,080.40 × 49,721.24
  4. Step 4: Simplify right side
    54,450.92x = 4,081,139,267.70
  5. Step 5: Solve for x
    x = 4,081,139,267.70/54,450.92
  6. Step 6: Final answer
    x = 74,950.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.