Finding the Fourth Proportional to 75,808.35, 104,649.14 and 48,963.95
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Solution
The fourth proportional to 75,808.35, 104,649.14 and 48,963.95 is: 67,591.96
Step by Step Solution
- Step 1: Write the proportion equation
75,808.35 : 104,649.14 = 48,963.95 : x - Step 2: Convert to fraction form
75,808.35/104,649.14 = 48,963.95/x - Step 3: Cross multiply
75,808.35x = 104,649.14 × 48,963.95 - Step 4: Simplify right side
75,808.35x = 5,124,034,735.26 - Step 5: Solve for x
x = 5,124,034,735.26/75,808.35 - Step 6: Final answer
x = 67,591.96
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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.