Finding the Fourth Proportional to 125,579.36, 173,296.51 and 71,860.95
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Solution
The fourth proportional to 125,579.36, 173,296.51 and 71,860.95 is: 99,166.39
Step by Step Solution
- Step 1: Write the proportion equation
125,579.36 : 173,296.51 = 71,860.95 : x - Step 2: Convert to fraction form
125,579.36/173,296.51 = 71,860.95/x - Step 3: Cross multiply
125,579.36x = 173,296.51 × 71,860.95 - Step 4: Simplify right side
125,579.36x = 12,453,251,577.45 - Step 5: Solve for x
x = 12,453,251,577.45/125,579.36 - Step 6: Final answer
x = 99,166.39
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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.