Finding the Fourth Proportional to 75,530.58, 104,237.30 and 49,992.96
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Solution
The fourth proportional to 75,530.58, 104,237.30 and 49,992.96 is: 68,993.66
Step by Step Solution
- Step 1: Write the proportion equation
75,530.58 : 104,237.30 = 49,992.96 : x - Step 2: Convert to fraction form
75,530.58/104,237.30 = 49,992.96/x - Step 3: Cross multiply
75,530.58x = 104,237.30 × 49,992.96 - Step 4: Simplify right side
75,530.58x = 5,211,130,919.44 - Step 5: Solve for x
x = 5,211,130,919.44/75,530.58 - Step 6: Final answer
x = 68,993.66
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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.