Finding the Fourth Proportional to 79,212.60, 118,814.58 and 26,616.60
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Solution
The fourth proportional to 79,212.60, 118,814.58 and 26,616.60 is: 39,923.45
Step by Step Solution
- Step 1: Write the proportion equation
79,212.60 : 118,814.58 = 26,616.60 : x - Step 2: Convert to fraction form
79,212.60/118,814.58 = 26,616.60/x - Step 3: Cross multiply
79,212.60x = 118,814.58 × 26,616.60 - Step 4: Simplify right side
79,212.60x = 3,162,440,150.03 - Step 5: Solve for x
x = 3,162,440,150.03/79,212.60 - Step 6: Final answer
x = 39,923.45
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1.5x scale
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.