Home / 69,151.48-95,450.19-40,477.85

Finding the Fourth Proportional to 69,151.48, 95,450.19 and 40,477.85

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Solution

The fourth proportional to 69,151.48, 95,450.19 and 40,477.85 is: 55,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,151.48 : 95,450.19 = 40,477.85 : x
  2. Step 2: Convert to fraction form
    69,151.48/95,450.19 = 40,477.85/x
  3. Step 3: Cross multiply
    69,151.48x = 95,450.19 × 40,477.85
  4. Step 4: Simplify right side
    69,151.48x = 3,863,618,473.29
  5. Step 5: Solve for x
    x = 3,863,618,473.29/69,151.48
  6. Step 6: Final answer
    x = 55,871.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.