Finding the Fourth Proportional to 68,943.08, 103,408.86 and 27,378.92
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Solution
The fourth proportional to 68,943.08, 103,408.86 and 27,378.92 is: 41,066.09
Step by Step Solution
- Step 1: Write the proportion equation
68,943.08 : 103,408.86 = 27,378.92 : x - Step 2: Convert to fraction form
68,943.08/103,408.86 = 27,378.92/x - Step 3: Cross multiply
68,943.08x = 103,408.86 × 27,378.92 - Step 4: Simplify right side
68,943.08x = 2,831,222,905.23 - Step 5: Solve for x
x = 2,831,222,905.23/68,943.08 - Step 6: Final answer
x = 41,066.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.