Finding the Fourth Proportional to 124,010.26, 171,135.36 and 67,422.84
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Solution
The fourth proportional to 124,010.26, 171,135.36 and 67,422.84 is: 93,044.17
Step by Step Solution
- Step 1: Write the proportion equation
124,010.26 : 171,135.36 = 67,422.84 : x - Step 2: Convert to fraction form
124,010.26/171,135.36 = 67,422.84/x - Step 3: Cross multiply
124,010.26x = 171,135.36 × 67,422.84 - Step 4: Simplify right side
124,010.26x = 11,538,431,995.62 - Step 5: Solve for x
x = 11,538,431,995.62/124,010.26 - Step 6: Final answer
x = 93,044.17
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1.5x scale
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.