Finding the Fourth Proportional to 94,942.08, 142,288.53 and 69,864.70
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Solution
The fourth proportional to 94,942.08, 142,288.53 and 69,864.70 is: 104,705.37
Step by Step Solution
- Step 1: Write the proportion equation
94,942.08 : 142,288.53 = 69,864.70 : x - Step 2: Convert to fraction form
94,942.08/142,288.53 = 69,864.70/x - Step 3: Cross multiply
94,942.08x = 142,288.53 × 69,864.70 - Step 4: Simplify right side
94,942.08x = 9,940,945,461.89 - Step 5: Solve for x
x = 9,940,945,461.89/94,942.08 - Step 6: Final answer
x = 104,705.37
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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.