Finding the Fourth Proportional to 94,031.62, 129,763.75 and 51,590.32
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Solution
The fourth proportional to 94,031.62, 129,763.75 and 51,590.32 is: 71,194.70
Step by Step Solution
- Step 1: Write the proportion equation
94,031.62 : 129,763.75 = 51,590.32 : x - Step 2: Convert to fraction form
94,031.62/129,763.75 = 51,590.32/x - Step 3: Cross multiply
94,031.62x = 129,763.75 × 51,590.32 - Step 4: Simplify right side
94,031.62x = 6,694,552,738.08 - Step 5: Solve for x
x = 6,694,552,738.08/94,031.62 - Step 6: Final answer
x = 71,194.70
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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.