Finding the Fourth Proportional to 75,793.04, 104,602.20 and 48,216.84
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Solution
The fourth proportional to 75,793.04, 104,602.20 and 48,216.84 is: 66,544.20
Step by Step Solution
- Step 1: Write the proportion equation
75,793.04 : 104,602.20 = 48,216.84 : x - Step 2: Convert to fraction form
75,793.04/104,602.20 = 48,216.84/x - Step 3: Cross multiply
75,793.04x = 104,602.20 × 48,216.84 - Step 4: Simplify right side
75,793.04x = 5,043,587,541.05 - Step 5: Solve for x
x = 5,043,587,541.05/75,793.04 - Step 6: Final answer
x = 66,544.20
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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.