Home / 80,682.06-111,339.66-44,871.30

Finding the Fourth Proportional to 80,682.06, 111,339.66 and 44,871.30

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Solution

The fourth proportional to 80,682.06, 111,339.66 and 44,871.30 is: 61,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.06 : 111,339.66 = 44,871.30 : x
  2. Step 2: Convert to fraction form
    80,682.06/111,339.66 = 44,871.30/x
  3. Step 3: Cross multiply
    80,682.06x = 111,339.66 × 44,871.30
  4. Step 4: Simplify right side
    80,682.06x = 4,995,955,285.76
  5. Step 5: Solve for x
    x = 4,995,955,285.76/80,682.06
  6. Step 6: Final answer
    x = 61,921.51

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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.