Finding the Fourth Proportional to 76,886.69, 106,106.25 and 44,618.82
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Solution
The fourth proportional to 76,886.69, 106,106.25 and 44,618.82 is: 61,575.49
Step by Step Solution
- Step 1: Write the proportion equation
76,886.69 : 106,106.25 = 44,618.82 : x - Step 2: Convert to fraction form
76,886.69/106,106.25 = 44,618.82/x - Step 3: Cross multiply
76,886.69x = 106,106.25 × 44,618.82 - Step 4: Simplify right side
76,886.69x = 4,734,335,439.05 - Step 5: Solve for x
x = 4,734,335,439.05/76,886.69 - Step 6: Final answer
x = 61,575.49
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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.