Finding the Fourth Proportional to 107,822.61, 148,799.79 and 60,075.99
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Solution
The fourth proportional to 107,822.61, 148,799.79 and 60,075.99 is: 82,907.42
Step by Step Solution
- Step 1: Write the proportion equation
107,822.61 : 148,799.79 = 60,075.99 : x - Step 2: Convert to fraction form
107,822.61/148,799.79 = 60,075.99/x - Step 3: Cross multiply
107,822.61x = 148,799.79 × 60,075.99 - Step 4: Simplify right side
107,822.61x = 8,939,294,696.04 - Step 5: Solve for x
x = 8,939,294,696.04/107,822.61 - Step 6: Final answer
x = 82,907.42
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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.