Finding the Fourth Proportional to 79,494.48, 118,982.12 and 58,428.95
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Solution
The fourth proportional to 79,494.48, 118,982.12 and 58,428.95 is: 87,452.61
Step by Step Solution
- Step 1: Write the proportion equation
79,494.48 : 118,982.12 = 58,428.95 : x - Step 2: Convert to fraction form
79,494.48/118,982.12 = 58,428.95/x - Step 3: Cross multiply
79,494.48x = 118,982.12 × 58,428.95 - Step 4: Simplify right side
79,494.48x = 6,951,999,453.32 - Step 5: Solve for x
x = 6,951,999,453.32/79,494.48 - Step 6: Final answer
x = 87,452.61
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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.