Finding the Fourth Proportional to 76,089.13, 113,971.15 and 61,793.17
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Solution
The fourth proportional to 76,089.13, 113,971.15 and 61,793.17 is: 92,557.75
Step by Step Solution
- Step 1: Write the proportion equation
76,089.13 : 113,971.15 = 61,793.17 : x - Step 2: Convert to fraction form
76,089.13/113,971.15 = 61,793.17/x - Step 3: Cross multiply
76,089.13x = 113,971.15 × 61,793.17 - Step 4: Simplify right side
76,089.13x = 7,042,638,647.05 - Step 5: Solve for x
x = 7,042,638,647.05/76,089.13 - Step 6: Final answer
x = 92,557.75
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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.