Finding the Fourth Proportional to 79,175.53, 118,781.21 and 26,583.63
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Solution
The fourth proportional to 79,175.53, 118,781.21 and 26,583.63 is: 39,881.46
Step by Step Solution
- Step 1: Write the proportion equation
79,175.53 : 118,781.21 = 26,583.63 : x - Step 2: Convert to fraction form
79,175.53/118,781.21 = 26,583.63/x - Step 3: Cross multiply
79,175.53x = 118,781.21 × 26,583.63 - Step 4: Simplify right side
79,175.53x = 3,157,635,737.59 - Step 5: Solve for x
x = 3,157,635,737.59/79,175.53 - Step 6: Final answer
x = 39,881.46
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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.