Finding the Fourth Proportional to 79,261.75, 118,858.06 and 29,979.19
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Solution
The fourth proportional to 79,261.75, 118,858.06 and 29,979.19 is: 44,955.71
Step by Step Solution
- Step 1: Write the proportion equation
79,261.75 : 118,858.06 = 29,979.19 : x - Step 2: Convert to fraction form
79,261.75/118,858.06 = 29,979.19/x - Step 3: Cross multiply
79,261.75x = 118,858.06 × 29,979.19 - Step 4: Simplify right side
79,261.75x = 3,563,268,066.63 - Step 5: Solve for x
x = 3,563,268,066.63/79,261.75 - Step 6: Final answer
x = 44,955.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.