Finding the Fourth Proportional to 117,365.08, 161,959.44 and 69,589.84
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Solution
The fourth proportional to 117,365.08, 161,959.44 and 69,589.84 is: 96,031.39
Step by Step Solution
- Step 1: Write the proportion equation
117,365.08 : 161,959.44 = 69,589.84 : x - Step 2: Convert to fraction form
117,365.08/161,959.44 = 69,589.84/x - Step 3: Cross multiply
117,365.08x = 161,959.44 × 69,589.84 - Step 4: Simplify right side
117,365.08x = 11,270,731,516.09 - Step 5: Solve for x
x = 11,270,731,516.09/117,365.08 - Step 6: Final answer
x = 96,031.39
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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.