Finding the Fourth Proportional to 98,125.03, 135,413.97 and 55,113.84
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Solution
The fourth proportional to 98,125.03, 135,413.97 and 55,113.84 is: 76,057.90
Step by Step Solution
- Step 1: Write the proportion equation
98,125.03 : 135,413.97 = 55,113.84 : x - Step 2: Convert to fraction form
98,125.03/135,413.97 = 55,113.84/x - Step 3: Cross multiply
98,125.03x = 135,413.97 × 55,113.84 - Step 4: Simplify right side
98,125.03x = 7,463,183,876.34 - Step 5: Solve for x
x = 7,463,183,876.34/98,125.03 - Step 6: Final answer
x = 76,057.90
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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.