Home / 69,314.13-103,469.81-60,906.60

Finding the Fourth Proportional to 69,314.13, 103,469.81 and 60,906.60

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Solution

The fourth proportional to 69,314.13, 103,469.81 and 60,906.60 is: 90,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,314.13 : 103,469.81 = 60,906.60 : x
  2. Step 2: Convert to fraction form
    69,314.13/103,469.81 = 60,906.60/x
  3. Step 3: Cross multiply
    69,314.13x = 103,469.81 × 60,906.60
  4. Step 4: Simplify right side
    69,314.13x = 6,301,994,025.21
  5. Step 5: Solve for x
    x = 6,301,994,025.21/69,314.13
  6. Step 6: Final answer
    x = 90,919.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.