Finding the Fourth Proportional to 86,865.76, 119,853.84 and 51,052.96
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Solution
The fourth proportional to 86,865.76, 119,853.84 and 51,052.96 is: 70,440.80
Step by Step Solution
- Step 1: Write the proportion equation
86,865.76 : 119,853.84 = 51,052.96 : x - Step 2: Convert to fraction form
86,865.76/119,853.84 = 51,052.96/x - Step 3: Cross multiply
86,865.76x = 119,853.84 × 51,052.96 - Step 4: Simplify right side
86,865.76x = 6,118,893,299.37 - Step 5: Solve for x
x = 6,118,893,299.37/86,865.76 - Step 6: Final answer
x = 70,440.80
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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.