Finding the Fourth Proportional to 117,579.65, 162,260.79 and 63,864.65
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Solution
The fourth proportional to 117,579.65, 162,260.79 and 63,864.65 is: 88,133.70
Step by Step Solution
- Step 1: Write the proportion equation
117,579.65 : 162,260.79 = 63,864.65 : x - Step 2: Convert to fraction form
117,579.65/162,260.79 = 63,864.65/x - Step 3: Cross multiply
117,579.65x = 162,260.79 × 63,864.65 - Step 4: Simplify right side
117,579.65x = 10,362,729,267.09 - Step 5: Solve for x
x = 10,362,729,267.09/117,579.65 - Step 6: Final answer
x = 88,133.70
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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.