Home / 80,549.58-111,162.13-44,739.74

Finding the Fourth Proportional to 80,549.58, 111,162.13 and 44,739.74

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Solution

The fourth proportional to 80,549.58, 111,162.13 and 44,739.74 is: 61,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.58 : 111,162.13 = 44,739.74 : x
  2. Step 2: Convert to fraction form
    80,549.58/111,162.13 = 44,739.74/x
  3. Step 3: Cross multiply
    80,549.58x = 111,162.13 × 44,739.74
  4. Step 4: Simplify right side
    80,549.58x = 4,973,364,794.05
  5. Step 5: Solve for x
    x = 4,973,364,794.05/80,549.58
  6. Step 6: Final answer
    x = 61,742.90

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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.