Finding the Fourth Proportional to 125,038.42, 172,553.00 and 68,449.79
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Solution
The fourth proportional to 125,038.42, 172,553.00 and 68,449.79 is: 94,460.70
Step by Step Solution
- Step 1: Write the proportion equation
125,038.42 : 172,553.00 = 68,449.79 : x - Step 2: Convert to fraction form
125,038.42/172,553.00 = 68,449.79/x - Step 3: Cross multiply
125,038.42x = 172,553.00 × 68,449.79 - Step 4: Simplify right side
125,038.42x = 11,811,216,703.00 - Step 5: Solve for x
x = 11,811,216,703.00/125,038.42 - Step 6: Final answer
x = 94,460.70
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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.