Finding the Fourth Proportional to 102,956.08, 154,533.99 and 49,685.55
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Solution
The fourth proportional to 102,956.08, 154,533.99 and 49,685.55 is: 74,576.52
Step by Step Solution
- Step 1: Write the proportion equation
102,956.08 : 154,533.99 = 49,685.55 : x - Step 2: Convert to fraction form
102,956.08/154,533.99 = 49,685.55/x - Step 3: Cross multiply
102,956.08x = 154,533.99 × 49,685.55 - Step 4: Simplify right side
102,956.08x = 7,678,106,473.17 - Step 5: Solve for x
x = 7,678,106,473.17/102,956.08 - Step 6: Final answer
x = 74,576.52
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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.