Finding the Fourth Proportional to 74,060.44, 102,202.98 and 40,068.84
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Solution
The fourth proportional to 74,060.44, 102,202.98 and 40,068.84 is: 55,294.77
Step by Step Solution
- Step 1: Write the proportion equation
74,060.44 : 102,202.98 = 40,068.84 : x - Step 2: Convert to fraction form
74,060.44/102,202.98 = 40,068.84/x - Step 3: Cross multiply
74,060.44x = 102,202.98 × 40,068.84 - Step 4: Simplify right side
74,060.44x = 4,095,154,853.14 - Step 5: Solve for x
x = 4,095,154,853.14/74,060.44 - Step 6: Final answer
x = 55,294.77
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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.