Finding the Fourth Proportional to 76,916.35, 115,386.73 and 32,543.44
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Solution
The fourth proportional to 76,916.35, 115,386.73 and 32,543.44 is: 48,820.32
Step by Step Solution
- Step 1: Write the proportion equation
76,916.35 : 115,386.73 = 32,543.44 : x - Step 2: Convert to fraction form
76,916.35/115,386.73 = 32,543.44/x - Step 3: Cross multiply
76,916.35x = 115,386.73 × 32,543.44 - Step 4: Simplify right side
76,916.35x = 3,755,081,124.55 - Step 5: Solve for x
x = 3,755,081,124.55/76,916.35 - Step 6: Final answer
x = 48,820.32
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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.