Finding the Fourth Proportional to 76,393.36, 114,457.73 and 41,357.08
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Solution
The fourth proportional to 76,393.36, 114,457.73 and 41,357.08 is: 61,963.99
Step by Step Solution
- Step 1: Write the proportion equation
76,393.36 : 114,457.73 = 41,357.08 : x - Step 2: Convert to fraction form
76,393.36/114,457.73 = 41,357.08/x - Step 3: Cross multiply
76,393.36x = 114,457.73 × 41,357.08 - Step 4: Simplify right side
76,393.36x = 4,733,636,923.94 - Step 5: Solve for x
x = 4,733,636,923.94/76,393.36 - Step 6: Final answer
x = 61,963.99
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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.