Finding the Fourth Proportional to 79,078.14, 118,617.29 and 32,331.02
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Solution
The fourth proportional to 79,078.14, 118,617.29 and 32,331.02 is: 48,496.55
Step by Step Solution
- Step 1: Write the proportion equation
79,078.14 : 118,617.29 = 32,331.02 : x - Step 2: Convert to fraction form
79,078.14/118,617.29 = 32,331.02/x - Step 3: Cross multiply
79,078.14x = 118,617.29 × 32,331.02 - Step 4: Simplify right side
79,078.14x = 3,835,017,220.59 - Step 5: Solve for x
x = 3,835,017,220.59/79,078.14 - Step 6: Final answer
x = 48,496.55
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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.