Home / 69,205.35-103,635.22-45,704.55

Finding the Fourth Proportional to 69,205.35, 103,635.22 and 45,704.55

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Solution

The fourth proportional to 69,205.35, 103,635.22 and 45,704.55 is: 68,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,205.35 : 103,635.22 = 45,704.55 : x
  2. Step 2: Convert to fraction form
    69,205.35/103,635.22 = 45,704.55/x
  3. Step 3: Cross multiply
    69,205.35x = 103,635.22 × 45,704.55
  4. Step 4: Simplify right side
    69,205.35x = 4,736,601,094.25
  5. Step 5: Solve for x
    x = 4,736,601,094.25/69,205.35
  6. Step 6: Final answer
    x = 68,442.70

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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.