Home / 50,131.80-75,216.90-49,344.60

Finding the Fourth Proportional to 50,131.80, 75,216.90 and 49,344.60

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Solution

The fourth proportional to 50,131.80, 75,216.90 and 49,344.60 is: 74,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.80 : 75,216.90 = 49,344.60 : x
  2. Step 2: Convert to fraction form
    50,131.80/75,216.90 = 49,344.60/x
  3. Step 3: Cross multiply
    50,131.80x = 75,216.90 × 49,344.60
  4. Step 4: Simplify right side
    50,131.80x = 3,711,547,843.74
  5. Step 5: Solve for x
    x = 3,711,547,843.74/50,131.80
  6. Step 6: Final answer
    x = 74,035.80

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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.