Finding the Fourth Proportional to 83,798.75, 125,671.11 and 27,625.79
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Solution
The fourth proportional to 83,798.75, 125,671.11 and 27,625.79 is: 41,429.77
Step by Step Solution
- Step 1: Write the proportion equation
83,798.75 : 125,671.11 = 27,625.79 : x - Step 2: Convert to fraction form
83,798.75/125,671.11 = 27,625.79/x - Step 3: Cross multiply
83,798.75x = 125,671.11 × 27,625.79 - Step 4: Simplify right side
83,798.75x = 3,471,763,065.57 - Step 5: Solve for x
x = 3,471,763,065.57/83,798.75 - Step 6: Final answer
x = 41,429.77
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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.