Finding the Fourth Proportional to 88,268.18, 121,812.45 and 47,984.64
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Solution
The fourth proportional to 88,268.18, 121,812.45 and 47,984.64 is: 66,220.09
Step by Step Solution
- Step 1: Write the proportion equation
88,268.18 : 121,812.45 = 47,984.64 : x - Step 2: Convert to fraction form
88,268.18/121,812.45 = 47,984.64/x - Step 3: Cross multiply
88,268.18x = 121,812.45 × 47,984.64 - Step 4: Simplify right side
88,268.18x = 5,845,126,560.77 - Step 5: Solve for x
x = 5,845,126,560.77/88,268.18 - Step 6: Final answer
x = 66,220.09
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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.