Finding the Fourth Proportional to 96,339.38, 132,915.91 and 56,019.99
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Solution
The fourth proportional to 96,339.38, 132,915.91 and 56,019.99 is: 77,288.72
Step by Step Solution
- Step 1: Write the proportion equation
96,339.38 : 132,915.91 = 56,019.99 : x - Step 2: Convert to fraction form
96,339.38/132,915.91 = 56,019.99/x - Step 3: Cross multiply
96,339.38x = 132,915.91 × 56,019.99 - Step 4: Simplify right side
96,339.38x = 7,445,947,668.94 - Step 5: Solve for x
x = 7,445,947,668.94/96,339.38 - Step 6: Final answer
x = 77,288.72
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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.