Finding the Fourth Proportional to 75,734.84, 104,514.36 and 42,200.84
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Solution
The fourth proportional to 75,734.84, 104,514.36 and 42,200.84 is: 58,237.32
Step by Step Solution
- Step 1: Write the proportion equation
75,734.84 : 104,514.36 = 42,200.84 : x - Step 2: Convert to fraction form
75,734.84/104,514.36 = 42,200.84/x - Step 3: Cross multiply
75,734.84x = 104,514.36 × 42,200.84 - Step 4: Simplify right side
75,734.84x = 4,410,593,784.06 - Step 5: Solve for x
x = 4,410,593,784.06/75,734.84 - Step 6: Final answer
x = 58,237.32
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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.