Finding the Fourth Proportional to 68,956.62, 103,435.29 and 27,403.74
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Solution
The fourth proportional to 68,956.62, 103,435.29 and 27,403.74 is: 41,105.75
Step by Step Solution
- Step 1: Write the proportion equation
68,956.62 : 103,435.29 = 27,403.74 : x - Step 2: Convert to fraction form
68,956.62/103,435.29 = 27,403.74/x - Step 3: Cross multiply
68,956.62x = 103,435.29 × 27,403.74 - Step 4: Simplify right side
68,956.62x = 2,834,513,793.98 - Step 5: Solve for x
x = 2,834,513,793.98/68,956.62 - Step 6: Final answer
x = 41,105.75
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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.