Finding the Fourth Proportional to 69,827.66, 104,725.70 and 19,906.68
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Solution
The fourth proportional to 69,827.66, 104,725.70 and 19,906.68 is: 29,855.52
Step by Step Solution
- Step 1: Write the proportion equation
69,827.66 : 104,725.70 = 19,906.68 : x - Step 2: Convert to fraction form
69,827.66/104,725.70 = 19,906.68/x - Step 3: Cross multiply
69,827.66x = 104,725.70 × 19,906.68 - Step 4: Simplify right side
69,827.66x = 2,084,740,898.14 - Step 5: Solve for x
x = 2,084,740,898.14/69,827.66 - Step 6: Final answer
x = 29,855.52
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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.