Finding the Fourth Proportional to 117,269.10, 161,799.93 and 69,482.88
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Solution
The fourth proportional to 117,269.10, 161,799.93 and 69,482.88 is: 95,867.75
Step by Step Solution
- Step 1: Write the proportion equation
117,269.10 : 161,799.93 = 69,482.88 : x - Step 2: Convert to fraction form
117,269.10/161,799.93 = 69,482.88/x - Step 3: Cross multiply
117,269.10x = 161,799.93 × 69,482.88 - Step 4: Simplify right side
117,269.10x = 11,242,325,120.20 - Step 5: Solve for x
x = 11,242,325,120.20/117,269.10 - Step 6: Final answer
x = 95,867.75
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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.