Finding the Fourth Proportional to 96,968.63, 133,833.14 and 56,126.84
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Solution
The fourth proportional to 96,968.63, 133,833.14 and 56,126.84 is: 77,464.54
Step by Step Solution
- Step 1: Write the proportion equation
96,968.63 : 133,833.14 = 56,126.84 : x - Step 2: Convert to fraction form
96,968.63/133,833.14 = 56,126.84/x - Step 3: Cross multiply
96,968.63x = 133,833.14 × 56,126.84 - Step 4: Simplify right side
96,968.63x = 7,511,630,285.68 - Step 5: Solve for x
x = 7,511,630,285.68/96,968.63 - Step 6: Final answer
x = 77,464.54
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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.