Finding the Fourth Proportional to 74,054.69, 102,195.05 and 40,063.08
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Solution
The fourth proportional to 74,054.69, 102,195.05 and 40,063.08 is: 55,286.82
Step by Step Solution
- Step 1: Write the proportion equation
74,054.69 : 102,195.05 = 40,063.08 : x - Step 2: Convert to fraction form
74,054.69/102,195.05 = 40,063.08/x - Step 3: Cross multiply
74,054.69x = 102,195.05 × 40,063.08 - Step 4: Simplify right side
74,054.69x = 4,094,248,263.44 - Step 5: Solve for x
x = 4,094,248,263.44/74,054.69 - Step 6: Final answer
x = 55,286.82
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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.