Finding the Fourth Proportional to 77,252.79, 115,850.01 and 35,670.63
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Solution
The fourth proportional to 77,252.79, 115,850.01 and 35,670.63 is: 53,492.47
Step by Step Solution
- Step 1: Write the proportion equation
77,252.79 : 115,850.01 = 35,670.63 : x - Step 2: Convert to fraction form
77,252.79/115,850.01 = 35,670.63/x - Step 3: Cross multiply
77,252.79x = 115,850.01 × 35,670.63 - Step 4: Simplify right side
77,252.79x = 4,132,442,842.21 - Step 5: Solve for x
x = 4,132,442,842.21/77,252.79 - Step 6: Final answer
x = 53,492.47
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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.