Finding the Fourth Proportional to 74,722.05, 103,063.68 and 44,483.94
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Solution
The fourth proportional to 74,722.05, 103,063.68 and 44,483.94 is: 61,356.43
Step by Step Solution
- Step 1: Write the proportion equation
74,722.05 : 103,063.68 = 44,483.94 : x - Step 2: Convert to fraction form
74,722.05/103,063.68 = 44,483.94/x - Step 3: Cross multiply
74,722.05x = 103,063.68 × 44,483.94 - Step 4: Simplify right side
74,722.05x = 4,584,678,557.30 - Step 5: Solve for x
x = 4,584,678,557.30/74,722.05 - Step 6: Final answer
x = 61,356.43
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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.