Finding the Fourth Proportional to 97,668.99, 134,786.88 and 55,224.99
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Solution
The fourth proportional to 97,668.99, 134,786.88 and 55,224.99 is: 76,212.56
Step by Step Solution
- Step 1: Write the proportion equation
97,668.99 : 134,786.88 = 55,224.99 : x - Step 2: Convert to fraction form
97,668.99/134,786.88 = 55,224.99/x - Step 3: Cross multiply
97,668.99x = 134,786.88 × 55,224.99 - Step 4: Simplify right side
97,668.99x = 7,443,604,100.13 - Step 5: Solve for x
x = 7,443,604,100.13/97,668.99 - Step 6: Final answer
x = 76,212.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.