Finding the Fourth Proportional to 124,296.29, 171,516.09 and 69,839.81
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Solution
The fourth proportional to 124,296.29, 171,516.09 and 69,839.81 is: 96,371.75
Step by Step Solution
- Step 1: Write the proportion equation
124,296.29 : 171,516.09 = 69,839.81 : x - Step 2: Convert to fraction form
124,296.29/171,516.09 = 69,839.81/x - Step 3: Cross multiply
124,296.29x = 171,516.09 × 69,839.81 - Step 4: Simplify right side
124,296.29x = 11,978,650,279.96 - Step 5: Solve for x
x = 11,978,650,279.96/124,296.29 - Step 6: Final answer
x = 96,371.75
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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.