Finding the Fourth Proportional to 79,120.76, 118,668.36 and 29,224.36
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Solution
The fourth proportional to 79,120.76, 118,668.36 and 29,224.36 is: 43,831.82
Step by Step Solution
- Step 1: Write the proportion equation
79,120.76 : 118,668.36 = 29,224.36 : x - Step 2: Convert to fraction form
79,120.76/118,668.36 = 29,224.36/x - Step 3: Cross multiply
79,120.76x = 118,668.36 × 29,224.36 - Step 4: Simplify right side
79,120.76x = 3,468,006,873.25 - Step 5: Solve for x
x = 3,468,006,873.25/79,120.76 - Step 6: Final answer
x = 43,831.82
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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.