Finding the Fourth Proportional to 97,224.81, 134,181.05 and 61,413.09
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Solution
The fourth proportional to 97,224.81, 134,181.05 and 61,413.09 is: 84,756.89
Step by Step Solution
- Step 1: Write the proportion equation
97,224.81 : 134,181.05 = 61,413.09 : x - Step 2: Convert to fraction form
97,224.81/134,181.05 = 61,413.09/x - Step 3: Cross multiply
97,224.81x = 134,181.05 × 61,413.09 - Step 4: Simplify right side
97,224.81x = 8,240,472,899.94 - Step 5: Solve for x
x = 8,240,472,899.94/97,224.81 - Step 6: Final answer
x = 84,756.89
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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.