Finding the Fourth Proportional to 73,485.68, 110,226.08 and 31,932.68
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Solution
The fourth proportional to 73,485.68, 110,226.08 and 31,932.68 is: 47,897.96
Step by Step Solution
- Step 1: Write the proportion equation
73,485.68 : 110,226.08 = 31,932.68 : x - Step 2: Convert to fraction form
73,485.68/110,226.08 = 31,932.68/x - Step 3: Cross multiply
73,485.68x = 110,226.08 × 31,932.68 - Step 4: Simplify right side
73,485.68x = 3,519,814,140.29 - Step 5: Solve for x
x = 3,519,814,140.29/73,485.68 - Step 6: Final answer
x = 47,897.96
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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.