Finding the Fourth Proportional to 83,702.65, 125,521.84 and 35,640.79
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Solution
The fourth proportional to 83,702.65, 125,521.84 and 35,640.79 is: 53,447.50
Step by Step Solution
- Step 1: Write the proportion equation
83,702.65 : 125,521.84 = 35,640.79 : x - Step 2: Convert to fraction form
83,702.65/125,521.84 = 35,640.79/x - Step 3: Cross multiply
83,702.65x = 125,521.84 × 35,640.79 - Step 4: Simplify right side
83,702.65x = 4,473,697,539.85 - Step 5: Solve for x
x = 4,473,697,539.85/83,702.65 - Step 6: Final answer
x = 53,447.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.