Finding the Fourth Proportional to 75,461.07, 104,114.87 and 48,612.91
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Solution
The fourth proportional to 75,461.07, 104,114.87 and 48,612.91 is: 67,072.03
Step by Step Solution
- Step 1: Write the proportion equation
75,461.07 : 104,114.87 = 48,612.91 : x - Step 2: Convert to fraction form
75,461.07/104,114.87 = 48,612.91/x - Step 3: Cross multiply
75,461.07x = 104,114.87 × 48,612.91 - Step 4: Simplify right side
75,461.07x = 5,061,326,679.13 - Step 5: Solve for x
x = 5,061,326,679.13/75,461.07 - Step 6: Final answer
x = 67,072.03
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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.