Finding the Fourth Proportional to 79,213.06, 118,640.06 and 55,626.26
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Solution
The fourth proportional to 79,213.06, 118,640.06 and 55,626.26 is: 83,313.32
Step by Step Solution
- Step 1: Write the proportion equation
79,213.06 : 118,640.06 = 55,626.26 : x - Step 2: Convert to fraction form
79,213.06/118,640.06 = 55,626.26/x - Step 3: Cross multiply
79,213.06x = 118,640.06 × 55,626.26 - Step 4: Simplify right side
79,213.06x = 6,599,502,823.98 - Step 5: Solve for x
x = 6,599,502,823.98/79,213.06 - Step 6: Final answer
x = 83,313.32
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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.