Finding the Fourth Proportional to 110,549.54, 165,823.68 and 31,663.79
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Solution
The fourth proportional to 110,549.54, 165,823.68 and 31,663.79 is: 47,495.50
Step by Step Solution
- Step 1: Write the proportion equation
110,549.54 : 165,823.68 = 31,663.79 : x - Step 2: Convert to fraction form
110,549.54/165,823.68 = 31,663.79/x - Step 3: Cross multiply
110,549.54x = 165,823.68 × 31,663.79 - Step 4: Simplify right side
110,549.54x = 5,250,606,180.55 - Step 5: Solve for x
x = 5,250,606,180.55/110,549.54 - Step 6: Final answer
x = 47,495.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.