Finding the Fourth Proportional to 83,135.35, 124,744.74 and 38,765.58
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Solution
The fourth proportional to 83,135.35, 124,744.74 and 38,765.58 is: 58,167.82
Step by Step Solution
- Step 1: Write the proportion equation
83,135.35 : 124,744.74 = 38,765.58 : x - Step 2: Convert to fraction form
83,135.35/124,744.74 = 38,765.58/x - Step 3: Cross multiply
83,135.35x = 124,744.74 × 38,765.58 - Step 4: Simplify right side
83,135.35x = 4,835,802,198.05 - Step 5: Solve for x
x = 4,835,802,198.05/83,135.35 - Step 6: Final answer
x = 58,167.82
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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.