Finding the Fourth Proportional to 104,606.87, 144,354.44 and 56,858.99
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Solution
The fourth proportional to 104,606.87, 144,354.44 and 56,858.99 is: 78,463.75
Step by Step Solution
- Step 1: Write the proportion equation
104,606.87 : 144,354.44 = 56,858.99 : x - Step 2: Convert to fraction form
104,606.87/144,354.44 = 56,858.99/x - Step 3: Cross multiply
104,606.87x = 144,354.44 × 56,858.99 - Step 4: Simplify right side
104,606.87x = 8,207,847,376.12 - Step 5: Solve for x
x = 8,207,847,376.12/104,606.87 - Step 6: Final answer
x = 78,463.75
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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.