Finding the Fourth Proportional to 86,791.07, 119,766.03 and 48,543.99
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Solution
The fourth proportional to 86,791.07, 119,766.03 and 48,543.99 is: 66,987.55
Step by Step Solution
- Step 1: Write the proportion equation
86,791.07 : 119,766.03 = 48,543.99 : x - Step 2: Convert to fraction form
86,791.07/119,766.03 = 48,543.99/x - Step 3: Cross multiply
86,791.07x = 119,766.03 × 48,543.99 - Step 4: Simplify right side
86,791.07x = 5,813,921,411.78 - Step 5: Solve for x
x = 5,813,921,411.78/86,791.07 - Step 6: Final answer
x = 66,987.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.