Finding the Fourth Proportional to 74,850.07, 103,290.52 and 44,619.81
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Solution
The fourth proportional to 74,850.07, 103,290.52 and 44,619.81 is: 61,573.80
Step by Step Solution
- Step 1: Write the proportion equation
74,850.07 : 103,290.52 = 44,619.81 : x - Step 2: Convert to fraction form
74,850.07/103,290.52 = 44,619.81/x - Step 3: Cross multiply
74,850.07x = 103,290.52 × 44,619.81 - Step 4: Simplify right side
74,850.07x = 4,608,803,377.20 - Step 5: Solve for x
x = 4,608,803,377.20/74,850.07 - Step 6: Final answer
x = 61,573.80
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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.