Finding the Fourth Proportional to 83,319.36, 124,923.48 and 45,896.94
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Solution
The fourth proportional to 83,319.36, 124,923.48 and 45,896.94 is: 68,814.80
Step by Step Solution
- Step 1: Write the proportion equation
83,319.36 : 124,923.48 = 45,896.94 : x - Step 2: Convert to fraction form
83,319.36/124,923.48 = 45,896.94/x - Step 3: Cross multiply
83,319.36x = 124,923.48 × 45,896.94 - Step 4: Simplify right side
83,319.36x = 5,733,605,466.15 - Step 5: Solve for x
x = 5,733,605,466.15/83,319.36 - Step 6: Final answer
x = 68,814.80
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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.