Finding the Fourth Proportional to 74,843.69, 112,322.63 and 27,503.64
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Solution
The fourth proportional to 74,843.69, 112,322.63 and 27,503.64 is: 41,276.45
Step by Step Solution
- Step 1: Write the proportion equation
74,843.69 : 112,322.63 = 27,503.64 : x - Step 2: Convert to fraction form
74,843.69/112,322.63 = 27,503.64/x - Step 3: Cross multiply
74,843.69x = 112,322.63 × 27,503.64 - Step 4: Simplify right side
74,843.69x = 3,089,281,248.13 - Step 5: Solve for x
x = 3,089,281,248.13/74,843.69 - Step 6: Final answer
x = 41,276.45
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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.