Finding the Fourth Proportional to 125,217.08, 172,799.24 and 67,857.99
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Solution
The fourth proportional to 125,217.08, 172,799.24 and 67,857.99 is: 93,643.85
Step by Step Solution
- Step 1: Write the proportion equation
125,217.08 : 172,799.24 = 67,857.99 : x - Step 2: Convert to fraction form
125,217.08/172,799.24 = 67,857.99/x - Step 3: Cross multiply
125,217.08x = 172,799.24 × 67,857.99 - Step 4: Simplify right side
125,217.08x = 11,725,808,760.64 - Step 5: Solve for x
x = 11,725,808,760.64/125,217.08 - Step 6: Final answer
x = 93,643.85
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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.