Finding the Fourth Proportional to 77,486.68, 116,230.02 and 54,158.68
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Solution
The fourth proportional to 77,486.68, 116,230.02 and 54,158.68 is: 81,238.02
Step by Step Solution
- Step 1: Write the proportion equation
77,486.68 : 116,230.02 = 54,158.68 : x - Step 2: Convert to fraction form
77,486.68/116,230.02 = 54,158.68/x - Step 3: Cross multiply
77,486.68x = 116,230.02 × 54,158.68 - Step 4: Simplify right side
77,486.68x = 6,294,864,459.57 - Step 5: Solve for x
x = 6,294,864,459.57/77,486.68 - Step 6: Final answer
x = 81,238.02
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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.