Finding the Fourth Proportional to 77,334.92, 106,729.68 and 43,349.18
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Solution
The fourth proportional to 77,334.92, 106,729.68 and 43,349.18 is: 59,826.07
Step by Step Solution
- Step 1: Write the proportion equation
77,334.92 : 106,729.68 = 43,349.18 : x - Step 2: Convert to fraction form
77,334.92/106,729.68 = 43,349.18/x - Step 3: Cross multiply
77,334.92x = 106,729.68 × 43,349.18 - Step 4: Simplify right side
77,334.92x = 4,626,644,109.66 - Step 5: Solve for x
x = 4,626,644,109.66/77,334.92 - Step 6: Final answer
x = 59,826.07
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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.