Home / 80,477.64-111,059.88-48,667.80

Finding the Fourth Proportional to 80,477.64, 111,059.88 and 48,667.80

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Solution

The fourth proportional to 80,477.64, 111,059.88 and 48,667.80 is: 67,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.64 : 111,059.88 = 48,667.80 : x
  2. Step 2: Convert to fraction form
    80,477.64/111,059.88 = 48,667.80/x
  3. Step 3: Cross multiply
    80,477.64x = 111,059.88 × 48,667.80
  4. Step 4: Simplify right side
    80,477.64x = 5,405,040,027.86
  5. Step 5: Solve for x
    x = 5,405,040,027.86/80,477.64
  6. Step 6: Final answer
    x = 67,162.01

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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.