Finding the Fourth Proportional to 84,963.68, 117,251.80 and 46,720.82
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Solution
The fourth proportional to 84,963.68, 117,251.80 and 46,720.82 is: 64,475.79
Step by Step Solution
- Step 1: Write the proportion equation
84,963.68 : 117,251.80 = 46,720.82 : x - Step 2: Convert to fraction form
84,963.68/117,251.80 = 46,720.82/x - Step 3: Cross multiply
84,963.68x = 117,251.80 × 46,720.82 - Step 4: Simplify right side
84,963.68x = 5,478,100,242.48 - Step 5: Solve for x
x = 5,478,100,242.48/84,963.68 - Step 6: Final answer
x = 64,475.79
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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.