Finding the Fourth Proportional to 102,446.70, 141,395.12 and 59,453.70
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Solution
The fourth proportional to 102,446.70, 141,395.12 and 59,453.70 is: 82,056.95
Step by Step Solution
- Step 1: Write the proportion equation
102,446.70 : 141,395.12 = 59,453.70 : x - Step 2: Convert to fraction form
102,446.70/141,395.12 = 59,453.70/x - Step 3: Cross multiply
102,446.70x = 141,395.12 × 59,453.70 - Step 4: Simplify right side
102,446.70x = 8,406,463,836.29 - Step 5: Solve for x
x = 8,406,463,836.29/102,446.70 - Step 6: Final answer
x = 82,056.95
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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.