Finding the Fourth Proportional to 77,294.61, 106,665.26 and 43,302.99
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Solution
The fourth proportional to 77,294.61, 106,665.26 and 43,302.99 is: 59,757.39
Step by Step Solution
- Step 1: Write the proportion equation
77,294.61 : 106,665.26 = 43,302.99 : x - Step 2: Convert to fraction form
77,294.61/106,665.26 = 43,302.99/x - Step 3: Cross multiply
77,294.61x = 106,665.26 × 43,302.99 - Step 4: Simplify right side
77,294.61x = 4,618,924,635.98 - Step 5: Solve for x
x = 4,618,924,635.98/77,294.61 - Step 6: Final answer
x = 59,757.39
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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.