Finding the Fourth Proportional to 75,923.36, 104,772.23 and 41,931.12
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Solution
The fourth proportional to 75,923.36, 104,772.23 and 41,931.12 is: 57,863.84
Step by Step Solution
- Step 1: Write the proportion equation
75,923.36 : 104,772.23 = 41,931.12 : x - Step 2: Convert to fraction form
75,923.36/104,772.23 = 41,931.12/x - Step 3: Cross multiply
75,923.36x = 104,772.23 × 41,931.12 - Step 4: Simplify right side
75,923.36x = 4,393,217,289.28 - Step 5: Solve for x
x = 4,393,217,289.28/75,923.36 - Step 6: Final answer
x = 57,863.84
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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.