Finding the Fourth Proportional to 69,387.59, 104,081.66 and 16,796.99
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Solution
The fourth proportional to 69,387.59, 104,081.66 and 16,796.99 is: 25,195.55
Step by Step Solution
- Step 1: Write the proportion equation
69,387.59 : 104,081.66 = 16,796.99 : x - Step 2: Convert to fraction form
69,387.59/104,081.66 = 16,796.99/x - Step 3: Cross multiply
69,387.59x = 104,081.66 × 16,796.99 - Step 4: Simplify right side
69,387.59x = 1,748,258,602.20 - Step 5: Solve for x
x = 1,748,258,602.20/69,387.59 - Step 6: Final answer
x = 25,195.55
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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.