Home / 80,965.36-111,726.88-44,664.64

Finding the Fourth Proportional to 80,965.36, 111,726.88 and 44,664.64

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Solution

The fourth proportional to 80,965.36, 111,726.88 and 44,664.64 is: 61,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,965.36 : 111,726.88 = 44,664.64 : x
  2. Step 2: Convert to fraction form
    80,965.36/111,726.88 = 44,664.64/x
  3. Step 3: Cross multiply
    80,965.36x = 111,726.88 × 44,664.64
  4. Step 4: Simplify right side
    80,965.36x = 4,990,240,873.52
  5. Step 5: Solve for x
    x = 4,990,240,873.52/80,965.36
  6. Step 6: Final answer
    x = 61,634.27

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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.