Finding the Fourth Proportional to 107,663.07, 161,451.36 and 44,492.88
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Solution
The fourth proportional to 107,663.07, 161,451.36 and 44,492.88 is: 66,721.45
Step by Step Solution
- Step 1: Write the proportion equation
107,663.07 : 161,451.36 = 44,492.88 : x - Step 2: Convert to fraction form
107,663.07/161,451.36 = 44,492.88/x - Step 3: Cross multiply
107,663.07x = 161,451.36 × 44,492.88 - Step 4: Simplify right side
107,663.07x = 7,183,435,986.32 - Step 5: Solve for x
x = 7,183,435,986.32/107,663.07 - Step 6: Final answer
x = 66,721.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.