Finding the Fourth Proportional to 73,807.52, 101,855.12 and 40,274.08
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Solution
The fourth proportional to 73,807.52, 101,855.12 and 40,274.08 is: 55,578.64
Step by Step Solution
- Step 1: Write the proportion equation
73,807.52 : 101,855.12 = 40,274.08 : x - Step 2: Convert to fraction form
73,807.52/101,855.12 = 40,274.08/x - Step 3: Cross multiply
73,807.52x = 101,855.12 × 40,274.08 - Step 4: Simplify right side
73,807.52x = 4,102,121,251.29 - Step 5: Solve for x
x = 4,102,121,251.29/73,807.52 - Step 6: Final answer
x = 55,578.64
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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.