Finding the Fourth Proportional to 86,064.19, 118,702.83 and 62,269.63
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Solution
The fourth proportional to 86,064.19, 118,702.83 and 62,269.63 is: 85,884.52
Step by Step Solution
- Step 1: Write the proportion equation
86,064.19 : 118,702.83 = 62,269.63 : x - Step 2: Convert to fraction form
86,064.19/118,702.83 = 62,269.63/x - Step 3: Cross multiply
86,064.19x = 118,702.83 × 62,269.63 - Step 4: Simplify right side
86,064.19x = 7,391,581,304.05 - Step 5: Solve for x
x = 7,391,581,304.05/86,064.19 - Step 6: Final answer
x = 85,884.52
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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.