Finding the Fourth Proportional to 85,580.68, 118,092.25 and 47,334.15
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Solution
The fourth proportional to 85,580.68, 118,092.25 and 47,334.15 is: 65,316.09
Step by Step Solution
- Step 1: Write the proportion equation
85,580.68 : 118,092.25 = 47,334.15 : x - Step 2: Convert to fraction form
85,580.68/118,092.25 = 47,334.15/x - Step 3: Cross multiply
85,580.68x = 118,092.25 × 47,334.15 - Step 4: Simplify right side
85,580.68x = 5,589,795,448.21 - Step 5: Solve for x
x = 5,589,795,448.21/85,580.68 - Step 6: Final answer
x = 65,316.09
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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.