Finding the Fourth Proportional to 68,488.52, 102,765.35 and 47,460.92
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Solution
The fourth proportional to 68,488.52, 102,765.35 and 47,460.92 is: 71,213.95
Step by Step Solution
- Step 1: Write the proportion equation
68,488.52 : 102,765.35 = 47,460.92 : x - Step 2: Convert to fraction form
68,488.52/102,765.35 = 47,460.92/x - Step 3: Cross multiply
68,488.52x = 102,765.35 × 47,460.92 - Step 4: Simplify right side
68,488.52x = 4,877,337,659.95 - Step 5: Solve for x
x = 4,877,337,659.95/68,488.52 - Step 6: Final answer
x = 71,213.95
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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.