Finding the Fourth Proportional to 86,793.18, 130,214.73 and 27,637.98
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Solution
The fourth proportional to 86,793.18, 130,214.73 and 27,637.98 is: 41,464.92
Step by Step Solution
- Step 1: Write the proportion equation
86,793.18 : 130,214.73 = 27,637.98 : x - Step 2: Convert to fraction form
86,793.18/130,214.73 = 27,637.98/x - Step 3: Cross multiply
86,793.18x = 130,214.73 × 27,637.98 - Step 4: Simplify right side
86,793.18x = 3,598,872,103.45 - Step 5: Solve for x
x = 3,598,872,103.45/86,793.18 - Step 6: Final answer
x = 41,464.92
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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.