Finding the Fourth Proportional to 68,807.36, 103,216.56 and 29,364.92
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Solution
The fourth proportional to 68,807.36, 103,216.56 and 29,364.92 is: 44,049.74
Step by Step Solution
- Step 1: Write the proportion equation
68,807.36 : 103,216.56 = 29,364.92 : x - Step 2: Convert to fraction form
68,807.36/103,216.56 = 29,364.92/x - Step 3: Cross multiply
68,807.36x = 103,216.56 × 29,364.92 - Step 4: Simplify right side
68,807.36x = 3,030,946,027.08 - Step 5: Solve for x
x = 3,030,946,027.08/68,807.36 - Step 6: Final answer
x = 44,049.74
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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.