Finding the Fourth Proportional to 104,512.53, 144,228.05 and 56,765.88
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Solution
The fourth proportional to 104,512.53, 144,228.05 and 56,765.88 is: 78,337.32
Step by Step Solution
- Step 1: Write the proportion equation
104,512.53 : 144,228.05 = 56,765.88 : x - Step 2: Convert to fraction form
104,512.53/144,228.05 = 56,765.88/x - Step 3: Cross multiply
104,512.53x = 144,228.05 × 56,765.88 - Step 4: Simplify right side
104,512.53x = 8,187,231,895.10 - Step 5: Solve for x
x = 8,187,231,895.10/104,512.53 - Step 6: Final answer
x = 78,337.32
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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.