Finding the Fourth Proportional to 68,873.62, 103,303.12 and 22,122.84
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Solution
The fourth proportional to 68,873.62, 103,303.12 and 22,122.84 is: 33,181.91
Step by Step Solution
- Step 1: Write the proportion equation
68,873.62 : 103,303.12 = 22,122.84 : x - Step 2: Convert to fraction form
68,873.62/103,303.12 = 22,122.84/x - Step 3: Cross multiply
68,873.62x = 103,303.12 × 22,122.84 - Step 4: Simplify right side
68,873.62x = 2,285,358,395.26 - Step 5: Solve for x
x = 2,285,358,395.26/68,873.62 - Step 6: Final answer
x = 33,181.91
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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.