Home / 80,451.35-111,007.45-46,007.02

Finding the Fourth Proportional to 80,451.35, 111,007.45 and 46,007.02

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Solution

The fourth proportional to 80,451.35, 111,007.45 and 46,007.02 is: 63,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451.35 : 111,007.45 = 46,007.02 : x
  2. Step 2: Convert to fraction form
    80,451.35/111,007.45 = 46,007.02/x
  3. Step 3: Cross multiply
    80,451.35x = 111,007.45 × 46,007.02
  4. Step 4: Simplify right side
    80,451.35x = 5,107,121,972.30
  5. Step 5: Solve for x
    x = 5,107,121,972.30/80,451.35
  6. Step 6: Final answer
    x = 63,480.87

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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.