Finding the Fourth Proportional to 79,160.18, 118,770.69 and 47,592.02
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Solution
The fourth proportional to 79,160.18, 118,770.69 and 47,592.02 is: 71,406.32
Step by Step Solution
- Step 1: Write the proportion equation
79,160.18 : 118,770.69 = 47,592.02 : x - Step 2: Convert to fraction form
79,160.18/118,770.69 = 47,592.02/x - Step 3: Cross multiply
79,160.18x = 118,770.69 × 47,592.02 - Step 4: Simplify right side
79,160.18x = 5,652,536,460.04 - Step 5: Solve for x
x = 5,652,536,460.04/79,160.18 - Step 6: Final answer
x = 71,406.32
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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.