Finding the Fourth Proportional to 79,316.74, 118,986.09 and 26,741.26
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Solution
The fourth proportional to 79,316.74, 118,986.09 and 26,741.26 is: 40,115.59
Step by Step Solution
- Step 1: Write the proportion equation
79,316.74 : 118,986.09 = 26,741.26 : x - Step 2: Convert to fraction form
79,316.74/118,986.09 = 26,741.26/x - Step 3: Cross multiply
79,316.74x = 118,986.09 × 26,741.26 - Step 4: Simplify right side
79,316.74x = 3,181,837,969.07 - Step 5: Solve for x
x = 3,181,837,969.07/79,316.74 - Step 6: Final answer
x = 40,115.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.