Home / 80,783.46-111,464.25-46,789.88

Finding the Fourth Proportional to 80,783.46, 111,464.25 and 46,789.88

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Solution

The fourth proportional to 80,783.46, 111,464.25 and 46,789.88 is: 64,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,783.46 : 111,464.25 = 46,789.88 : x
  2. Step 2: Convert to fraction form
    80,783.46/111,464.25 = 46,789.88/x
  3. Step 3: Cross multiply
    80,783.46x = 111,464.25 × 46,789.88
  4. Step 4: Simplify right side
    80,783.46x = 5,215,398,881.79
  5. Step 5: Solve for x
    x = 5,215,398,881.79/80,783.46
  6. Step 6: Final answer
    x = 64,560.24

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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.