Finding the Fourth Proportional to 74,722.06, 103,063.68 and 44,483.96
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Solution
The fourth proportional to 74,722.06, 103,063.68 and 44,483.96 is: 61,356.45
Step by Step Solution
- Step 1: Write the proportion equation
74,722.06 : 103,063.68 = 44,483.96 : x - Step 2: Convert to fraction form
74,722.06/103,063.68 = 44,483.96/x - Step 3: Cross multiply
74,722.06x = 103,063.68 × 44,483.96 - Step 4: Simplify right side
74,722.06x = 4,584,680,618.57 - Step 5: Solve for x
x = 4,584,680,618.57/74,722.06 - Step 6: Final answer
x = 61,356.45
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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.