Home / 68,949.26-103,223-51,258.32

Finding the Fourth Proportional to 68,949.26, 103,223 and 51,258.32

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Solution

The fourth proportional to 68,949.26, 103,223 and 51,258.32 is: 76,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949.26 : 103,223 = 51,258.32 : x
  2. Step 2: Convert to fraction form
    68,949.26/103,223 = 51,258.32/x
  3. Step 3: Cross multiply
    68,949.26x = 103,223 × 51,258.32
  4. Step 4: Simplify right side
    68,949.26x = 5,291,037,565.36
  5. Step 5: Solve for x
    x = 5,291,037,565.36/68,949.26
  6. Step 6: Final answer
    x = 76,738.13

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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.