Finding the Fourth Proportional to 76,539.53, 105,617.41 and 44,268.98
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Solution
The fourth proportional to 76,539.53, 105,617.41 and 44,268.98 is: 61,087.06
Step by Step Solution
- Step 1: Write the proportion equation
76,539.53 : 105,617.41 = 44,268.98 : x - Step 2: Convert to fraction form
76,539.53/105,617.41 = 44,268.98/x - Step 3: Cross multiply
76,539.53x = 105,617.41 × 44,268.98 - Step 4: Simplify right side
76,539.53x = 4,675,574,904.03 - Step 5: Solve for x
x = 4,675,574,904.03/76,539.53 - Step 6: Final answer
x = 61,087.06
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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.