Finding the Fourth Proportional to 94,031.49, 129,763.58 and 51,590.19
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Solution
The fourth proportional to 94,031.49, 129,763.58 and 51,590.19 is: 71,194.53
Step by Step Solution
- Step 1: Write the proportion equation
94,031.49 : 129,763.58 = 51,590.19 : x - Step 2: Convert to fraction form
94,031.49/129,763.58 = 51,590.19/x - Step 3: Cross multiply
94,031.49x = 129,763.58 × 51,590.19 - Step 4: Simplify right side
94,031.49x = 6,694,527,489.33 - Step 5: Solve for x
x = 6,694,527,489.33/94,031.49 - Step 6: Final answer
x = 71,194.53
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1.5x scale
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.