Finding the Fourth Proportional to 78,702.19, 118,052.19 and 44,896.07
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Solution
The fourth proportional to 78,702.19, 118,052.19 and 44,896.07 is: 67,343.47
Step by Step Solution
- Step 1: Write the proportion equation
78,702.19 : 118,052.19 = 44,896.07 : x - Step 2: Convert to fraction form
78,702.19/118,052.19 = 44,896.07/x - Step 3: Cross multiply
78,702.19x = 118,052.19 × 44,896.07 - Step 4: Simplify right side
78,702.19x = 5,300,079,016.98 - Step 5: Solve for x
x = 5,300,079,016.98/78,702.19 - Step 6: Final answer
x = 67,343.47
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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.