Finding the Fourth Proportional to 79,167.93, 118,648.62 and 60,379.17
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Solution
The fourth proportional to 79,167.93, 118,648.62 and 60,379.17 is: 90,489.99
Step by Step Solution
- Step 1: Write the proportion equation
79,167.93 : 118,648.62 = 60,379.17 : x - Step 2: Convert to fraction form
79,167.93/118,648.62 = 60,379.17/x - Step 3: Cross multiply
79,167.93x = 118,648.62 × 60,379.17 - Step 4: Simplify right side
79,167.93x = 7,163,905,197.25 - Step 5: Solve for x
x = 7,163,905,197.25/79,167.93 - Step 6: Final answer
x = 90,489.99
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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.