Finding the Fourth Proportional to 96,731.68, 133,516.56 and 56,453.92
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Solution
The fourth proportional to 96,731.68, 133,516.56 and 56,453.92 is: 77,922.07
Step by Step Solution
- Step 1: Write the proportion equation
96,731.68 : 133,516.56 = 56,453.92 : x - Step 2: Convert to fraction form
96,731.68/133,516.56 = 56,453.92/x - Step 3: Cross multiply
96,731.68x = 133,516.56 × 56,453.92 - Step 4: Simplify right side
96,731.68x = 7,537,533,196.92 - Step 5: Solve for x
x = 7,537,533,196.92/96,731.68 - Step 6: Final answer
x = 77,922.07
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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.