Finding the Fourth Proportional to 79,176.40, 118,831.80 and 32,462.80
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Solution
The fourth proportional to 79,176.40, 118,831.80 and 32,462.80 is: 48,721.75
Step by Step Solution
- Step 1: Write the proportion equation
79,176.40 : 118,831.80 = 32,462.80 : x - Step 2: Convert to fraction form
79,176.40/118,831.80 = 32,462.80/x - Step 3: Cross multiply
79,176.40x = 118,831.80 × 32,462.80 - Step 4: Simplify right side
79,176.40x = 3,857,612,957.04 - Step 5: Solve for x
x = 3,857,612,957.04/79,176.40 - Step 6: Final answer
x = 48,721.75
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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.