Finding the Fourth Proportional to 71,290.08, 106,639.70 and 64,794.69
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Solution
The fourth proportional to 71,290.08, 106,639.70 and 64,794.69 is: 96,923.53
Step by Step Solution
- Step 1: Write the proportion equation
71,290.08 : 106,639.70 = 64,794.69 : x - Step 2: Convert to fraction form
71,290.08/106,639.70 = 64,794.69/x - Step 3: Cross multiply
71,290.08x = 106,639.70 × 64,794.69 - Step 4: Simplify right side
71,290.08x = 6,909,685,979.22 - Step 5: Solve for x
x = 6,909,685,979.22/71,290.08 - Step 6: Final answer
x = 96,923.53
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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.