Finding the Fourth Proportional to 117,430.92, 162,052.58 and 71,473.94
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Solution
The fourth proportional to 117,430.92, 162,052.58 and 71,473.94 is: 98,632.76
Step by Step Solution
- Step 1: Write the proportion equation
117,430.92 : 162,052.58 = 71,473.94 : x - Step 2: Convert to fraction form
117,430.92/162,052.58 = 71,473.94/x - Step 3: Cross multiply
117,430.92x = 162,052.58 × 71,473.94 - Step 4: Simplify right side
117,430.92x = 11,582,535,212.13 - Step 5: Solve for x
x = 11,582,535,212.13/117,430.92 - Step 6: Final answer
x = 98,632.76
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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.