Finding the Fourth Proportional to 69,964.14, 104,916.30 and 26,658.70
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Solution
The fourth proportional to 69,964.14, 104,916.30 and 26,658.70 is: 39,976.65
Step by Step Solution
- Step 1: Write the proportion equation
69,964.14 : 104,916.30 = 26,658.70 : x - Step 2: Convert to fraction form
69,964.14/104,916.30 = 26,658.70/x - Step 3: Cross multiply
69,964.14x = 104,916.30 × 26,658.70 - Step 4: Simplify right side
69,964.14x = 2,796,932,166.81 - Step 5: Solve for x
x = 2,796,932,166.81/69,964.14 - Step 6: Final answer
x = 39,976.65
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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.