Finding the Fourth Proportional to 76,906.66, 106,127.12 and 43,370.50
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Solution
The fourth proportional to 76,906.66, 106,127.12 and 43,370.50 is: 59,848.99
Step by Step Solution
- Step 1: Write the proportion equation
76,906.66 : 106,127.12 = 43,370.50 : x - Step 2: Convert to fraction form
76,906.66/106,127.12 = 43,370.50/x - Step 3: Cross multiply
76,906.66x = 106,127.12 × 43,370.50 - Step 4: Simplify right side
76,906.66x = 4,602,786,257.96 - Step 5: Solve for x
x = 4,602,786,257.96/76,906.66 - Step 6: Final answer
x = 59,848.99
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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.