Finding the Fourth Proportional to 71,398.08, 107,163.54 and 36,363.96
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Solution
The fourth proportional to 71,398.08, 107,163.54 and 36,363.96 is: 54,579.77
Step by Step Solution
- Step 1: Write the proportion equation
71,398.08 : 107,163.54 = 36,363.96 : x - Step 2: Convert to fraction form
71,398.08/107,163.54 = 36,363.96/x - Step 3: Cross multiply
71,398.08x = 107,163.54 × 36,363.96 - Step 4: Simplify right side
71,398.08x = 3,896,890,682.02 - Step 5: Solve for x
x = 3,896,890,682.02/71,398.08 - Step 6: Final answer
x = 54,579.77
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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.