Finding the Fourth Proportional to 79,140.24, 118,706.72 and 22,979.09
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Solution
The fourth proportional to 79,140.24, 118,706.72 and 22,979.09 is: 34,467.58
Step by Step Solution
- Step 1: Write the proportion equation
79,140.24 : 118,706.72 = 22,979.09 : x - Step 2: Convert to fraction form
79,140.24/118,706.72 = 22,979.09/x - Step 3: Cross multiply
79,140.24x = 118,706.72 × 22,979.09 - Step 4: Simplify right side
79,140.24x = 2,727,772,584.36 - Step 5: Solve for x
x = 2,727,772,584.36/79,140.24 - Step 6: Final answer
x = 34,467.58
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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.