Finding the Fourth Proportional to 76,448.09, 114,626.71 and 29,066.65
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Solution
The fourth proportional to 76,448.09, 114,626.71 and 29,066.65 is: 43,582.70
Step by Step Solution
- Step 1: Write the proportion equation
76,448.09 : 114,626.71 = 29,066.65 : x - Step 2: Convert to fraction form
76,448.09/114,626.71 = 29,066.65/x - Step 3: Cross multiply
76,448.09x = 114,626.71 × 29,066.65 - Step 4: Simplify right side
76,448.09x = 3,331,814,460.22 - Step 5: Solve for x
x = 3,331,814,460.22/76,448.09 - Step 6: Final answer
x = 43,582.70
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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.