Home / 69,257.25-103,758.30-61,785.61

Finding the Fourth Proportional to 69,257.25, 103,758.30 and 61,785.61

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Solution

The fourth proportional to 69,257.25, 103,758.30 and 61,785.61 is: 92,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,257.25 : 103,758.30 = 61,785.61 : x
  2. Step 2: Convert to fraction form
    69,257.25/103,758.30 = 61,785.61/x
  3. Step 3: Cross multiply
    69,257.25x = 103,758.30 × 61,785.61
  4. Step 4: Simplify right side
    69,257.25x = 6,410,769,598.67
  5. Step 5: Solve for x
    x = 6,410,769,598.67/69,257.25
  6. Step 6: Final answer
    x = 92,564.60

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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.