Home / 50,768.16-75,986.56-45,918.24

Finding the Fourth Proportional to 50,768.16, 75,986.56 and 45,918.24

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Solution

The fourth proportional to 50,768.16, 75,986.56 and 45,918.24 is: 68,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,768.16 : 75,986.56 = 45,918.24 : x
  2. Step 2: Convert to fraction form
    50,768.16/75,986.56 = 45,918.24/x
  3. Step 3: Cross multiply
    50,768.16x = 75,986.56 × 45,918.24
  4. Step 4: Simplify right side
    50,768.16x = 3,489,169,098.85
  5. Step 5: Solve for x
    x = 3,489,169,098.85/50,768.16
  6. Step 6: Final answer
    x = 68,727.51

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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.