Finding the Fourth Proportional to 86,114.63, 118,838.79 and 48,388.88
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Solution
The fourth proportional to 86,114.63, 118,838.79 and 48,388.88 is: 66,776.99
Step by Step Solution
- Step 1: Write the proportion equation
86,114.63 : 118,838.79 = 48,388.88 : x - Step 2: Convert to fraction form
86,114.63/118,838.79 = 48,388.88/x - Step 3: Cross multiply
86,114.63x = 118,838.79 × 48,388.88 - Step 4: Simplify right side
86,114.63x = 5,750,475,354.46 - Step 5: Solve for x
x = 5,750,475,354.46/86,114.63 - Step 6: Final answer
x = 66,776.99
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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.