Finding the Fourth Proportional to 94,840.20, 130,879.27 and 51,819.99
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Solution
The fourth proportional to 94,840.20, 130,879.27 and 51,819.99 is: 71,511.48
Step by Step Solution
- Step 1: Write the proportion equation
94,840.20 : 130,879.27 = 51,819.99 : x - Step 2: Convert to fraction form
94,840.20/130,879.27 = 51,819.99/x - Step 3: Cross multiply
94,840.20x = 130,879.27 × 51,819.99 - Step 4: Simplify right side
94,840.20x = 6,782,162,837.66 - Step 5: Solve for x
x = 6,782,162,837.66/94,840.20 - Step 6: Final answer
x = 71,511.48
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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.