Finding the Fourth Proportional to 89,649.99, 134,558.11 and 45,307.96
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Solution
The fourth proportional to 89,649.99, 134,558.11 and 45,307.96 is: 68,003.95
Step by Step Solution
- Step 1: Write the proportion equation
89,649.99 : 134,558.11 = 45,307.96 : x - Step 2: Convert to fraction form
89,649.99/134,558.11 = 45,307.96/x - Step 3: Cross multiply
89,649.99x = 134,558.11 × 45,307.96 - Step 4: Simplify right side
89,649.99x = 6,096,553,185.80 - Step 5: Solve for x
x = 6,096,553,185.80/89,649.99 - Step 6: Final answer
x = 68,003.95
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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.