Finding the Fourth Proportional to 97,856.37, 135,044.97 and 55,413.99
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Solution
The fourth proportional to 97,856.37, 135,044.97 and 55,413.99 is: 76,473.11
Step by Step Solution
- Step 1: Write the proportion equation
97,856.37 : 135,044.97 = 55,413.99 : x - Step 2: Convert to fraction form
97,856.37/135,044.97 = 55,413.99/x - Step 3: Cross multiply
97,856.37x = 135,044.97 × 55,413.99 - Step 4: Simplify right side
97,856.37x = 7,483,380,617.13 - Step 5: Solve for x
x = 7,483,380,617.13/97,856.37 - Step 6: Final answer
x = 76,473.11
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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.