Home / 69,217.10-103,739.99-49,194.68

Finding the Fourth Proportional to 69,217.10, 103,739.99 and 49,194.68

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Solution

The fourth proportional to 69,217.10, 103,739.99 and 49,194.68 is: 73,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,217.10 : 103,739.99 = 49,194.68 : x
  2. Step 2: Convert to fraction form
    69,217.10/103,739.99 = 49,194.68/x
  3. Step 3: Cross multiply
    69,217.10x = 103,739.99 × 49,194.68
  4. Step 4: Simplify right side
    69,217.10x = 5,103,455,624.63
  5. Step 5: Solve for x
    x = 5,103,455,624.63/69,217.10
  6. Step 6: Final answer
    x = 73,731.14

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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.