Finding the Fourth Proportional to 126,486.02, 174,543.84 and 69,893.75
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Solution
The fourth proportional to 126,486.02, 174,543.84 and 69,893.75 is: 96,449.58
Step by Step Solution
- Step 1: Write the proportion equation
126,486.02 : 174,543.84 = 69,893.75 : x - Step 2: Convert to fraction form
126,486.02/174,543.84 = 69,893.75/x - Step 3: Cross multiply
126,486.02x = 174,543.84 × 69,893.75 - Step 4: Simplify right side
126,486.02x = 12,199,523,517 - Step 5: Solve for x
x = 12,199,523,517/126,486.02 - Step 6: Final answer
x = 96,449.58
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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.