Home / 80,649.12-111,293.52-44,836.56

Finding the Fourth Proportional to 80,649.12, 111,293.52 and 44,836.56

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Solution

The fourth proportional to 80,649.12, 111,293.52 and 44,836.56 is: 61,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.12 : 111,293.52 = 44,836.56 : x
  2. Step 2: Convert to fraction form
    80,649.12/111,293.52 = 44,836.56/x
  3. Step 3: Cross multiply
    80,649.12x = 111,293.52 × 44,836.56
  4. Step 4: Simplify right side
    80,649.12x = 4,990,018,587.09
  5. Step 5: Solve for x
    x = 4,990,018,587.09/80,649.12
  6. Step 6: Final answer
    x = 61,873.19

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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.