Finding the Fourth Proportional to 115,763.27, 159,702.62 and 67,995.08
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Solution
The fourth proportional to 115,763.27, 159,702.62 and 67,995.08 is: 93,803.44
Step by Step Solution
- Step 1: Write the proportion equation
115,763.27 : 159,702.62 = 67,995.08 : x - Step 2: Convert to fraction form
115,763.27/159,702.62 = 67,995.08/x - Step 3: Cross multiply
115,763.27x = 159,702.62 × 67,995.08 - Step 4: Simplify right side
115,763.27x = 10,858,992,083.13 - Step 5: Solve for x
x = 10,858,992,083.13/115,763.27 - Step 6: Final answer
x = 93,803.44
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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.