Finding the Fourth Proportional to 67,859.93, 101,740.68 and 45,618.14
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Solution
The fourth proportional to 67,859.93, 101,740.68 and 45,618.14 is: 68,394.12
Step by Step Solution
- Step 1: Write the proportion equation
67,859.93 : 101,740.68 = 45,618.14 : x - Step 2: Convert to fraction form
67,859.93/101,740.68 = 45,618.14/x - Step 3: Cross multiply
67,859.93x = 101,740.68 × 45,618.14 - Step 4: Simplify right side
67,859.93x = 4,641,220,075.23 - Step 5: Solve for x
x = 4,641,220,075.23/67,859.93 - Step 6: Final answer
x = 68,394.12
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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.