Finding the Fourth Proportional to 75,530.87, 104,225.60 and 41,539.42
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Solution
The fourth proportional to 75,530.87, 104,225.60 and 41,539.42 is: 57,320.55
Step by Step Solution
- Step 1: Write the proportion equation
75,530.87 : 104,225.60 = 41,539.42 : x - Step 2: Convert to fraction form
75,530.87/104,225.60 = 41,539.42/x - Step 3: Cross multiply
75,530.87x = 104,225.60 × 41,539.42 - Step 4: Simplify right side
75,530.87x = 4,329,470,973.15 - Step 5: Solve for x
x = 4,329,470,973.15/75,530.87 - Step 6: Final answer
x = 57,320.55
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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.