Finding the Fourth Proportional to 74,559.98, 102,858.87 and 44,328.15
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Solution
The fourth proportional to 74,559.98, 102,858.87 and 44,328.15 is: 61,152.69
Step by Step Solution
- Step 1: Write the proportion equation
74,559.98 : 102,858.87 = 44,328.15 : x - Step 2: Convert to fraction form
74,559.98/102,858.87 = 44,328.15/x - Step 3: Cross multiply
74,559.98x = 102,858.87 × 44,328.15 - Step 4: Simplify right side
74,559.98x = 4,559,543,418.19 - Step 5: Solve for x
x = 4,559,543,418.19/74,559.98 - Step 6: Final answer
x = 61,152.69
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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.