Finding the Fourth Proportional to 68,529.92, 102,767.65 and 26,386.65
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Solution
The fourth proportional to 68,529.92, 102,767.65 and 26,386.65 is: 39,569.49
Step by Step Solution
- Step 1: Write the proportion equation
68,529.92 : 102,767.65 = 26,386.65 : x - Step 2: Convert to fraction form
68,529.92/102,767.65 = 26,386.65/x - Step 3: Cross multiply
68,529.92x = 102,767.65 × 26,386.65 - Step 4: Simplify right side
68,529.92x = 2,711,694,011.87 - Step 5: Solve for x
x = 2,711,694,011.87/68,529.92 - Step 6: Final answer
x = 39,569.49
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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.