Finding the Fourth Proportional to 89,163.99, 123,049.26 and 48,881.07
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Solution
The fourth proportional to 89,163.99, 123,049.26 and 48,881.07 is: 67,457.50
Step by Step Solution
- Step 1: Write the proportion equation
89,163.99 : 123,049.26 = 48,881.07 : x - Step 2: Convert to fraction form
89,163.99/123,049.26 = 48,881.07/x - Step 3: Cross multiply
89,163.99x = 123,049.26 × 48,881.07 - Step 4: Simplify right side
89,163.99x = 6,014,779,491.51 - Step 5: Solve for x
x = 6,014,779,491.51/89,163.99 - Step 6: Final answer
x = 67,457.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.