Home / 50,698.14-69,922.35-38,742.54

Finding the Fourth Proportional to 50,698.14, 69,922.35 and 38,742.54

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Solution

The fourth proportional to 50,698.14, 69,922.35 and 38,742.54 is: 53,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,698.14 : 69,922.35 = 38,742.54 : x
  2. Step 2: Convert to fraction form
    50,698.14/69,922.35 = 38,742.54/x
  3. Step 3: Cross multiply
    50,698.14x = 69,922.35 × 38,742.54
  4. Step 4: Simplify right side
    50,698.14x = 2,708,969,441.77
  5. Step 5: Solve for x
    x = 2,708,969,441.77/50,698.14
  6. Step 6: Final answer
    x = 53,433.31

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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.