Finding the Fourth Proportional to 98,031.75, 147,047.63 and 24,159.75
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Solution
The fourth proportional to 98,031.75, 147,047.63 and 24,159.75 is: 36,239.63
Step by Step Solution
- Step 1: Write the proportion equation
98,031.75 : 147,047.63 = 24,159.75 : x - Step 2: Convert to fraction form
98,031.75/147,047.63 = 24,159.75/x - Step 3: Cross multiply
98,031.75x = 147,047.63 × 24,159.75 - Step 4: Simplify right side
98,031.75x = 3,552,633,858.09 - Step 5: Solve for x
x = 3,552,633,858.09/98,031.75 - Step 6: Final answer
x = 36,239.63
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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.