Finding the Fourth Proportional to 75,734.80, 104,521.80 and 45,529.96
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Solution
The fourth proportional to 75,734.80, 104,521.80 and 45,529.96 is: 62,836.02
Step by Step Solution
- Step 1: Write the proportion equation
75,734.80 : 104,521.80 = 45,529.96 : x - Step 2: Convert to fraction form
75,734.80/104,521.80 = 45,529.96/x - Step 3: Cross multiply
75,734.80x = 104,521.80 × 45,529.96 - Step 4: Simplify right side
75,734.80x = 4,758,873,373.13 - Step 5: Solve for x
x = 4,758,873,373.13/75,734.80 - Step 6: Final answer
x = 62,836.02
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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.