Finding the Fourth Proportional to 124,625.79, 171,977.09 and 68,026.23
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Solution
The fourth proportional to 124,625.79, 171,977.09 and 68,026.23 is: 93,872.65
Step by Step Solution
- Step 1: Write the proportion equation
124,625.79 : 171,977.09 = 68,026.23 : x - Step 2: Convert to fraction form
124,625.79/171,977.09 = 68,026.23/x - Step 3: Cross multiply
124,625.79x = 171,977.09 × 68,026.23 - Step 4: Simplify right side
124,625.79x = 11,698,952,738.94 - Step 5: Solve for x
x = 11,698,952,738.94/124,625.79 - Step 6: Final answer
x = 93,872.65
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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.