Finding the Fourth Proportional to 79,772.18, 110,086.36 and 43,963.48
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Solution
The fourth proportional to 79,772.18, 110,086.36 and 43,963.48 is: 60,670.02
Step by Step Solution
- Step 1: Write the proportion equation
79,772.18 : 110,086.36 = 43,963.48 : x - Step 2: Convert to fraction form
79,772.18/110,086.36 = 43,963.48/x - Step 3: Cross multiply
79,772.18x = 110,086.36 × 43,963.48 - Step 4: Simplify right side
79,772.18x = 4,839,779,486.13 - Step 5: Solve for x
x = 4,839,779,486.13/79,772.18 - Step 6: Final answer
x = 60,670.02
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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.