Finding the Fourth Proportional to 75,664.08, 104,415.45 and 41,671.92
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Solution
The fourth proportional to 75,664.08, 104,415.45 and 41,671.92 is: 57,506.71
Step by Step Solution
- Step 1: Write the proportion equation
75,664.08 : 104,415.45 = 41,671.92 : x - Step 2: Convert to fraction form
75,664.08/104,415.45 = 41,671.92/x - Step 3: Cross multiply
75,664.08x = 104,415.45 × 41,671.92 - Step 4: Simplify right side
75,664.08x = 4,351,192,279.16 - Step 5: Solve for x
x = 4,351,192,279.16/75,664.08 - Step 6: Final answer
x = 57,506.71
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1.5x scale
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.