Finding the Fourth Proportional to 98,646.05, 135,495.69 and 96,754.75
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Solution
The fourth proportional to 98,646.05, 135,495.69 and 96,754.75 is: 132,897.88
Step by Step Solution
- Step 1: Write the proportion equation
98,646.05 : 135,495.69 = 96,754.75 : x - Step 2: Convert to fraction form
98,646.05/135,495.69 = 96,754.75/x - Step 3: Cross multiply
98,646.05x = 135,495.69 × 96,754.75 - Step 4: Simplify right side
98,646.05x = 13,109,851,672.62 - Step 5: Solve for x
x = 13,109,851,672.62/98,646.05 - Step 6: Final answer
x = 132,897.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.