Home / 55,245.12-82,856.04-17,808.54

Finding the Fourth Proportional to 55,245.12, 82,856.04 and 17,808.54

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Solution

The fourth proportional to 55,245.12, 82,856.04 and 17,808.54 is: 26,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.12 : 82,856.04 = 17,808.54 : x
  2. Step 2: Convert to fraction form
    55,245.12/82,856.04 = 17,808.54/x
  3. Step 3: Cross multiply
    55,245.12x = 82,856.04 × 17,808.54
  4. Step 4: Simplify right side
    55,245.12x = 1,475,545,102.58
  5. Step 5: Solve for x
    x = 1,475,545,102.58/55,245.12
  6. Step 6: Final answer
    x = 26,709.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.