Finding the Fourth Proportional to 125,070.44, 172,595.50 and 68,481.82
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Solution
The fourth proportional to 125,070.44, 172,595.50 and 68,481.82 is: 94,503.98
Step by Step Solution
- Step 1: Write the proportion equation
125,070.44 : 172,595.50 = 68,481.82 : x - Step 2: Convert to fraction form
125,070.44/172,595.50 = 68,481.82/x - Step 3: Cross multiply
125,070.44x = 172,595.50 × 68,481.82 - Step 4: Simplify right side
125,070.44x = 11,819,653,963.81 - Step 5: Solve for x
x = 11,819,653,963.81/125,070.44 - Step 6: Final answer
x = 94,503.98
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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.