Finding the Fourth Proportional to 73,187.12, 100,996.80 and 48,035
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Solution
The fourth proportional to 73,187.12, 100,996.80 and 48,035 is: 66,287.36
Step by Step Solution
- Step 1: Write the proportion equation
73,187.12 : 100,996.80 = 48,035 : x - Step 2: Convert to fraction form
73,187.12/100,996.80 = 48,035/x - Step 3: Cross multiply
73,187.12x = 100,996.80 × 48,035 - Step 4: Simplify right side
73,187.12x = 4,851,381,288 - Step 5: Solve for x
x = 4,851,381,288/73,187.12 - Step 6: Final answer
x = 66,287.36
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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.