Finding the Fourth Proportional to 68,057.16, 101,867.34 and 36,388.08
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Solution
The fourth proportional to 68,057.16, 101,867.34 and 36,388.08 is: 54,465.35
Step by Step Solution
- Step 1: Write the proportion equation
68,057.16 : 101,867.34 = 36,388.08 : x - Step 2: Convert to fraction form
68,057.16/101,867.34 = 36,388.08/x - Step 3: Cross multiply
68,057.16x = 101,867.34 × 36,388.08 - Step 4: Simplify right side
68,057.16x = 3,706,756,917.31 - Step 5: Solve for x
x = 3,706,756,917.31/68,057.16 - Step 6: Final answer
x = 54,465.35
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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.