Home / 82,844.20-114,245.86-55,681.64

Finding the Fourth Proportional to 82,844.20, 114,245.86 and 55,681.64

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Solution

The fourth proportional to 82,844.20, 114,245.86 and 55,681.64 is: 76,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,844.20 : 114,245.86 = 55,681.64 : x
  2. Step 2: Convert to fraction form
    82,844.20/114,245.86 = 55,681.64/x
  3. Step 3: Cross multiply
    82,844.20x = 114,245.86 × 55,681.64
  4. Step 4: Simplify right side
    82,844.20x = 6,361,396,848.01
  5. Step 5: Solve for x
    x = 6,361,396,848.01/82,844.20
  6. Step 6: Final answer
    x = 76,787.47

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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.