Finding the Fourth Proportional to 97,413.84, 134,431.56 and 52,701.84
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Solution
The fourth proportional to 97,413.84, 134,431.56 and 52,701.84 is: 72,728.79
Step by Step Solution
- Step 1: Write the proportion equation
97,413.84 : 134,431.56 = 52,701.84 : x - Step 2: Convert to fraction form
97,413.84/134,431.56 = 52,701.84/x - Step 3: Cross multiply
97,413.84x = 134,431.56 × 52,701.84 - Step 4: Simplify right side
97,413.84x = 7,084,790,566.07 - Step 5: Solve for x
x = 7,084,790,566.07/97,413.84 - Step 6: Final answer
x = 72,728.79
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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.