Home / 80,843.06-111,563.45-46,871.32

Finding the Fourth Proportional to 80,843.06, 111,563.45 and 46,871.32

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Solution

The fourth proportional to 80,843.06, 111,563.45 and 46,871.32 is: 64,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,843.06 : 111,563.45 = 46,871.32 : x
  2. Step 2: Convert to fraction form
    80,843.06/111,563.45 = 46,871.32/x
  3. Step 3: Cross multiply
    80,843.06x = 111,563.45 × 46,871.32
  4. Step 4: Simplify right side
    80,843.06x = 5,229,126,165.25
  5. Step 5: Solve for x
    x = 5,229,126,165.25/80,843.06
  6. Step 6: Final answer
    x = 64,682.44

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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.