Finding the Fourth Proportional to 74,063.08, 111,094.08 and 29,689.18
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Solution
The fourth proportional to 74,063.08, 111,094.08 and 29,689.18 is: 44,533.55
Step by Step Solution
- Step 1: Write the proportion equation
74,063.08 : 111,094.08 = 29,689.18 : x - Step 2: Convert to fraction form
74,063.08/111,094.08 = 29,689.18/x - Step 3: Cross multiply
74,063.08x = 111,094.08 × 29,689.18 - Step 4: Simplify right side
74,063.08x = 3,298,292,138.05 - Step 5: Solve for x
x = 3,298,292,138.05/74,063.08 - Step 6: Final answer
x = 44,533.55
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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.