Finding the Fourth Proportional to 80,368.14, 110,907.85 and 44,557.23
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Solution
The fourth proportional to 80,368.14, 110,907.85 and 44,557.23 is: 61,488.88
Step by Step Solution
- Step 1: Write the proportion equation
80,368.14 : 110,907.85 = 44,557.23 : x - Step 2: Convert to fraction form
80,368.14/110,907.85 = 44,557.23/x - Step 3: Cross multiply
80,368.14x = 110,907.85 × 44,557.23 - Step 4: Simplify right side
80,368.14x = 4,941,746,581.26 - Step 5: Solve for x
x = 4,941,746,581.26/80,368.14 - Step 6: Final answer
x = 61,488.88
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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.