Finding the Fourth Proportional to 84,241.93, 126,354.24 and 28,075.99
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Solution
The fourth proportional to 84,241.93, 126,354.24 and 28,075.99 is: 42,111.10
Step by Step Solution
- Step 1: Write the proportion equation
84,241.93 : 126,354.24 = 28,075.99 : x - Step 2: Convert to fraction form
84,241.93/126,354.24 = 28,075.99/x - Step 3: Cross multiply
84,241.93x = 126,354.24 × 28,075.99 - Step 4: Simplify right side
84,241.93x = 3,547,520,378.70 - Step 5: Solve for x
x = 3,547,520,378.70/84,241.93 - Step 6: Final answer
x = 42,111.10
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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.