Finding the Fourth Proportional to 104,668.44, 144,438.07 and 59,349.49
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Solution
The fourth proportional to 104,668.44, 144,438.07 and 59,349.49 is: 81,899.81
Step by Step Solution
- Step 1: Write the proportion equation
104,668.44 : 144,438.07 = 59,349.49 : x - Step 2: Convert to fraction form
104,668.44/144,438.07 = 59,349.49/x - Step 3: Cross multiply
104,668.44x = 144,438.07 × 59,349.49 - Step 4: Simplify right side
104,668.44x = 8,572,325,791.08 - Step 5: Solve for x
x = 8,572,325,791.08/104,668.44 - Step 6: Final answer
x = 81,899.81
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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.