Finding the Fourth Proportional to 74,851.68, 103,293.36 and 41,316.96
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Solution
The fourth proportional to 74,851.68, 103,293.36 and 41,316.96 is: 57,016.32
Step by Step Solution
- Step 1: Write the proportion equation
74,851.68 : 103,293.36 = 41,316.96 : x - Step 2: Convert to fraction form
74,851.68/103,293.36 = 41,316.96/x - Step 3: Cross multiply
74,851.68x = 103,293.36 × 41,316.96 - Step 4: Simplify right side
74,851.68x = 4,267,767,623.39 - Step 5: Solve for x
x = 4,267,767,623.39/74,851.68 - Step 6: Final answer
x = 57,016.32
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1.5x scale
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.