Finding the Fourth Proportional to 86,895.19, 130,348.70 and 27,735.31
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Solution
The fourth proportional to 86,895.19, 130,348.70 and 27,735.31 is: 41,604.85
Step by Step Solution
- Step 1: Write the proportion equation
86,895.19 : 130,348.70 = 27,735.31 : x - Step 2: Convert to fraction form
86,895.19/130,348.70 = 27,735.31/x - Step 3: Cross multiply
86,895.19x = 130,348.70 × 27,735.31 - Step 4: Simplify right side
86,895.19x = 3,615,261,463.92 - Step 5: Solve for x
x = 3,615,261,463.92/86,895.19 - Step 6: Final answer
x = 41,604.85
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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.