Finding the Fourth Proportional to 86,335.70, 119,161.64 and 58,024.99
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Solution
The fourth proportional to 86,335.70, 119,161.64 and 58,024.99 is: 80,086.84
Step by Step Solution
- Step 1: Write the proportion equation
86,335.70 : 119,161.64 = 58,024.99 : x - Step 2: Convert to fraction form
86,335.70/119,161.64 = 58,024.99/x - Step 3: Cross multiply
86,335.70x = 119,161.64 × 58,024.99 - Step 4: Simplify right side
86,335.70x = 6,914,352,969.38 - Step 5: Solve for x
x = 6,914,352,969.38/86,335.70 - Step 6: Final answer
x = 80,086.84
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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.