Finding the Fourth Proportional to 124,635.71, 171,996.39 and 68,047.08
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Solution
The fourth proportional to 124,635.71, 171,996.39 and 68,047.08 is: 93,904.49
Step by Step Solution
- Step 1: Write the proportion equation
124,635.71 : 171,996.39 = 68,047.08 : x - Step 2: Convert to fraction form
124,635.71/171,996.39 = 68,047.08/x - Step 3: Cross multiply
124,635.71x = 171,996.39 × 68,047.08 - Step 4: Simplify right side
124,635.71x = 11,703,852,110.04 - Step 5: Solve for x
x = 11,703,852,110.04/124,635.71 - Step 6: Final answer
x = 93,904.49
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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.