Finding the Fourth Proportional to 86,962.68, 130,464.27 and 27,793.80
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Solution
The fourth proportional to 86,962.68, 130,464.27 and 27,793.80 is: 41,697.17
Step by Step Solution
- Step 1: Write the proportion equation
86,962.68 : 130,464.27 = 27,793.80 : x - Step 2: Convert to fraction form
86,962.68/130,464.27 = 27,793.80/x - Step 3: Cross multiply
86,962.68x = 130,464.27 × 27,793.80 - Step 4: Simplify right side
86,962.68x = 3,626,097,827.53 - Step 5: Solve for x
x = 3,626,097,827.53/86,962.68 - Step 6: Final answer
x = 41,697.17
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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.