Finding the Fourth Proportional to 69,814.58, 104,682.20 and 47,654.78
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Solution
The fourth proportional to 69,814.58, 104,682.20 and 47,654.78 is: 71,455.09
Step by Step Solution
- Step 1: Write the proportion equation
69,814.58 : 104,682.20 = 47,654.78 : x - Step 2: Convert to fraction form
69,814.58/104,682.20 = 47,654.78/x - Step 3: Cross multiply
69,814.58x = 104,682.20 × 47,654.78 - Step 4: Simplify right side
69,814.58x = 4,988,606,449.23 - Step 5: Solve for x
x = 4,988,606,449.23/69,814.58 - Step 6: Final answer
x = 71,455.09
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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.