Finding the Fourth Proportional to 102,305.24, 141,188.31 and 62,020.70
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Solution
The fourth proportional to 102,305.24, 141,188.31 and 62,020.70 is: 85,592.85
Step by Step Solution
- Step 1: Write the proportion equation
102,305.24 : 141,188.31 = 62,020.70 : x - Step 2: Convert to fraction form
102,305.24/141,188.31 = 62,020.70/x - Step 3: Cross multiply
102,305.24x = 141,188.31 × 62,020.70 - Step 4: Simplify right side
102,305.24x = 8,756,597,112.08 - Step 5: Solve for x
x = 8,756,597,112.08/102,305.24 - Step 6: Final answer
x = 85,592.85
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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.