Finding the Fourth Proportional to 73,409.70, 102,842.70 and 73,409.70
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Solution
The fourth proportional to 73,409.70, 102,842.70 and 73,409.70 is: 102,842.70
Step by Step Solution
- Step 1: Write the proportion equation
73,409.70 : 102,842.70 = 73,409.70 : x - Step 2: Convert to fraction form
73,409.70/102,842.70 = 73,409.70/x - Step 3: Cross multiply
73,409.70x = 102,842.70 × 73,409.70 - Step 4: Simplify right side
73,409.70x = 7,549,651,754.19 - Step 5: Solve for x
x = 7,549,651,754.19/73,409.70 - Step 6: Final answer
x = 102,842.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.