Home / 51,340.07-71,211.75-49,974.54

Finding the Fourth Proportional to 51,340.07, 71,211.75 and 49,974.54

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Solution

The fourth proportional to 51,340.07, 71,211.75 and 49,974.54 is: 69,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,340.07 : 71,211.75 = 49,974.54 : x
  2. Step 2: Convert to fraction form
    51,340.07/71,211.75 = 49,974.54/x
  3. Step 3: Cross multiply
    51,340.07x = 71,211.75 × 49,974.54
  4. Step 4: Simplify right side
    51,340.07x = 3,558,774,448.85
  5. Step 5: Solve for x
    x = 3,558,774,448.85/51,340.07
  6. Step 6: Final answer
    x = 69,317.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.