Finding the Fourth Proportional to 71,045.14, 106,567.68 and 21,125.02
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Solution
The fourth proportional to 71,045.14, 106,567.68 and 21,125.02 is: 31,687.52
Step by Step Solution
- Step 1: Write the proportion equation
71,045.14 : 106,567.68 = 21,125.02 : x - Step 2: Convert to fraction form
71,045.14/106,567.68 = 21,125.02/x - Step 3: Cross multiply
71,045.14x = 106,567.68 × 21,125.02 - Step 4: Simplify right side
71,045.14x = 2,251,244,371.35 - Step 5: Solve for x
x = 2,251,244,371.35/71,045.14 - Step 6: Final answer
x = 31,687.52
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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.