Finding the Fourth Proportional to 73,668.84, 101,663.01 and 40,134.84
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Solution
The fourth proportional to 73,668.84, 101,663.01 and 40,134.84 is: 55,386.09
Step by Step Solution
- Step 1: Write the proportion equation
73,668.84 : 101,663.01 = 40,134.84 : x - Step 2: Convert to fraction form
73,668.84/101,663.01 = 40,134.84/x - Step 3: Cross multiply
73,668.84x = 101,663.01 × 40,134.84 - Step 4: Simplify right side
73,668.84x = 4,080,228,640.27 - Step 5: Solve for x
x = 4,080,228,640.27/73,668.84 - Step 6: Final answer
x = 55,386.09
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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.