Home / 80,650.25-111,297.35-45,322.25

Finding the Fourth Proportional to 80,650.25, 111,297.35 and 45,322.25

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Solution

The fourth proportional to 80,650.25, 111,297.35 and 45,322.25 is: 62,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.25 : 111,297.35 = 45,322.25 : x
  2. Step 2: Convert to fraction form
    80,650.25/111,297.35 = 45,322.25/x
  3. Step 3: Cross multiply
    80,650.25x = 111,297.35 × 45,322.25
  4. Step 4: Simplify right side
    80,650.25x = 5,044,246,094.43
  5. Step 5: Solve for x
    x = 5,044,246,094.43/80,650.25
  6. Step 6: Final answer
    x = 62,544.71

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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.