Finding the Fourth Proportional to 68,479.58, 102,574.03 and 44,703.11
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Solution
The fourth proportional to 68,479.58, 102,574.03 and 44,703.11 is: 66,959.79
Step by Step Solution
- Step 1: Write the proportion equation
68,479.58 : 102,574.03 = 44,703.11 : x - Step 2: Convert to fraction form
68,479.58/102,574.03 = 44,703.11/x - Step 3: Cross multiply
68,479.58x = 102,574.03 × 44,703.11 - Step 4: Simplify right side
68,479.58x = 4,585,378,146.23 - Step 5: Solve for x
x = 4,585,378,146.23/68,479.58 - Step 6: Final answer
x = 66,959.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.