Finding the Fourth Proportional to 75,076.08, 112,645.52 and 32,934.42
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Solution
The fourth proportional to 75,076.08, 112,645.52 and 32,934.42 is: 49,415.40
Step by Step Solution
- Step 1: Write the proportion equation
75,076.08 : 112,645.52 = 32,934.42 : x - Step 2: Convert to fraction form
75,076.08/112,645.52 = 32,934.42/x - Step 3: Cross multiply
75,076.08x = 112,645.52 × 32,934.42 - Step 4: Simplify right side
75,076.08x = 3,709,914,702.13 - Step 5: Solve for x
x = 3,709,914,702.13/75,076.08 - Step 6: Final answer
x = 49,415.40
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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.