Finding the Fourth Proportional to 97,096.86, 133,994.61 and 54,647.19
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Solution
The fourth proportional to 97,096.86, 133,994.61 and 54,647.19 is: 75,413.65
Step by Step Solution
- Step 1: Write the proportion equation
97,096.86 : 133,994.61 = 54,647.19 : x - Step 2: Convert to fraction form
97,096.86/133,994.61 = 54,647.19/x - Step 3: Cross multiply
97,096.86x = 133,994.61 × 54,647.19 - Step 4: Simplify right side
97,096.86x = 7,322,428,911.65 - Step 5: Solve for x
x = 7,322,428,911.65/97,096.86 - Step 6: Final answer
x = 75,413.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.