Finding the Fourth Proportional to 70,727.73, 105,994.95 and 39,090.94
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Solution
The fourth proportional to 70,727.73, 105,994.95 and 39,090.94 is: 58,582.99
Step by Step Solution
- Step 1: Write the proportion equation
70,727.73 : 105,994.95 = 39,090.94 : x - Step 2: Convert to fraction form
70,727.73/105,994.95 = 39,090.94/x - Step 3: Cross multiply
70,727.73x = 105,994.95 × 39,090.94 - Step 4: Simplify right side
70,727.73x = 4,143,442,230.75 - Step 5: Solve for x
x = 4,143,442,230.75/70,727.73 - Step 6: Final answer
x = 58,582.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.