Finding the Fourth Proportional to 117,674.05, 162,391.18 and 63,959.06
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Solution
The fourth proportional to 117,674.05, 162,391.18 and 63,959.06 is: 88,264.04
Step by Step Solution
- Step 1: Write the proportion equation
117,674.05 : 162,391.18 = 63,959.06 : x - Step 2: Convert to fraction form
117,674.05/162,391.18 = 63,959.06/x - Step 3: Cross multiply
117,674.05x = 162,391.18 × 63,959.06 - Step 4: Simplify right side
117,674.05x = 10,386,386,413.13 - Step 5: Solve for x
x = 10,386,386,413.13/117,674.05 - Step 6: Final answer
x = 88,264.04
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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.