Finding the Fourth Proportional to 68,686.72, 102,896.39 and 50,642.08
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Solution
The fourth proportional to 68,686.72, 102,896.39 and 50,642.08 is: 75,864.55
Step by Step Solution
- Step 1: Write the proportion equation
68,686.72 : 102,896.39 = 50,642.08 : x - Step 2: Convert to fraction form
68,686.72/102,896.39 = 50,642.08/x - Step 3: Cross multiply
68,686.72x = 102,896.39 × 50,642.08 - Step 4: Simplify right side
68,686.72x = 5,210,887,083.46 - Step 5: Solve for x
x = 5,210,887,083.46/68,686.72 - Step 6: Final answer
x = 75,864.55
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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.