Finding the Fourth Proportional to 125,044.19, 172,560.98 and 68,455.56
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Solution
The fourth proportional to 125,044.19, 172,560.98 and 68,455.56 is: 94,468.68
Step by Step Solution
- Step 1: Write the proportion equation
125,044.19 : 172,560.98 = 68,455.56 : x - Step 2: Convert to fraction form
125,044.19/172,560.98 = 68,455.56/x - Step 3: Cross multiply
125,044.19x = 172,560.98 × 68,455.56 - Step 4: Simplify right side
125,044.19x = 11,812,759,338.29 - Step 5: Solve for x
x = 11,812,759,338.29/125,044.19 - Step 6: Final answer
x = 94,468.68
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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.