Finding the Fourth Proportional to 107,172.96, 147,907.58 and 59,441.68
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Solution
The fourth proportional to 107,172.96, 147,907.58 and 59,441.68 is: 82,034.45
Step by Step Solution
- Step 1: Write the proportion equation
107,172.96 : 147,907.58 = 59,441.68 : x - Step 2: Convert to fraction form
107,172.96/147,907.58 = 59,441.68/x - Step 3: Cross multiply
107,172.96x = 147,907.58 × 59,441.68 - Step 4: Simplify right side
107,172.96x = 8,791,875,039.93 - Step 5: Solve for x
x = 8,791,875,039.93/107,172.96 - Step 6: Final answer
x = 82,034.45
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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.