Finding the Fourth Proportional to 73,135.08, 100,925.87 and 39,601.08
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Solution
The fourth proportional to 73,135.08, 100,925.87 and 39,601.08 is: 54,649.20
Step by Step Solution
- Step 1: Write the proportion equation
73,135.08 : 100,925.87 = 39,601.08 : x - Step 2: Convert to fraction form
73,135.08/100,925.87 = 39,601.08/x - Step 3: Cross multiply
73,135.08x = 100,925.87 × 39,601.08 - Step 4: Simplify right side
73,135.08x = 3,996,773,253.93 - Step 5: Solve for x
x = 3,996,773,253.93/73,135.08 - Step 6: Final answer
x = 54,649.20
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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.