Finding the Fourth Proportional to 96,962.94, 133,808.49 and 56,668.68
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Solution
The fourth proportional to 96,962.94, 133,808.49 and 56,668.68 is: 78,202.56
Step by Step Solution
- Step 1: Write the proportion equation
96,962.94 : 133,808.49 = 56,668.68 : x - Step 2: Convert to fraction form
96,962.94/133,808.49 = 56,668.68/x - Step 3: Cross multiply
96,962.94x = 133,808.49 × 56,668.68 - Step 4: Simplify right side
96,962.94x = 7,582,750,501.09 - Step 5: Solve for x
x = 7,582,750,501.09/96,962.94 - Step 6: Final answer
x = 78,202.56
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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.