Finding the Fourth Proportional to 79,339.97, 119,012.79 and 26,749.91
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Solution
The fourth proportional to 79,339.97, 119,012.79 and 26,749.91 is: 40,125.82
Step by Step Solution
- Step 1: Write the proportion equation
79,339.97 : 119,012.79 = 26,749.91 : x - Step 2: Convert to fraction form
79,339.97/119,012.79 = 26,749.91/x - Step 3: Cross multiply
79,339.97x = 119,012.79 × 26,749.91 - Step 4: Simplify right side
79,339.97x = 3,183,580,826.28 - Step 5: Solve for x
x = 3,183,580,826.28/79,339.97 - Step 6: Final answer
x = 40,125.82
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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.