Finding the Fourth Proportional to 125,054.88, 172,575.74 and 68,466.26
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Solution
The fourth proportional to 125,054.88, 172,575.74 and 68,466.26 is: 94,483.43
Step by Step Solution
- Step 1: Write the proportion equation
125,054.88 : 172,575.74 = 68,466.26 : x - Step 2: Convert to fraction form
125,054.88/172,575.74 = 68,466.26/x - Step 3: Cross multiply
125,054.88x = 172,575.74 × 68,466.26 - Step 4: Simplify right side
125,054.88x = 11,815,614,279.32 - Step 5: Solve for x
x = 11,815,614,279.32/125,054.88 - Step 6: Final answer
x = 94,483.43
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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.