Finding the Fourth Proportional to 77,305.22, 106,895.94 and 61,361.99
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Solution
The fourth proportional to 77,305.22, 106,895.94 and 61,361.99 is: 84,850.00
Step by Step Solution
- Step 1: Write the proportion equation
77,305.22 : 106,895.94 = 61,361.99 : x - Step 2: Convert to fraction form
77,305.22/106,895.94 = 61,361.99/x - Step 3: Cross multiply
77,305.22x = 106,895.94 × 61,361.99 - Step 4: Simplify right side
77,305.22x = 6,559,347,601.32 - Step 5: Solve for x
x = 6,559,347,601.32/77,305.22 - Step 6: Final answer
x = 84,850.00
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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.