Finding the Fourth Proportional to 89,631.26, 134,077.52 and 73,656.44
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Solution
The fourth proportional to 89,631.26, 134,077.52 and 73,656.44 is: 110,181.12
Step by Step Solution
- Step 1: Write the proportion equation
89,631.26 : 134,077.52 = 73,656.44 : x - Step 2: Convert to fraction form
89,631.26/134,077.52 = 73,656.44/x - Step 3: Cross multiply
89,631.26x = 134,077.52 × 73,656.44 - Step 4: Simplify right side
89,631.26x = 9,875,672,807.23 - Step 5: Solve for x
x = 9,875,672,807.23/89,631.26 - Step 6: Final answer
x = 110,181.12
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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.