Finding the Fourth Proportional to 107,403.63, 161,171.93 and 62,446.13
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Solution
The fourth proportional to 107,403.63, 161,171.93 and 62,446.13 is: 93,707.85
Step by Step Solution
- Step 1: Write the proportion equation
107,403.63 : 161,171.93 = 62,446.13 : x - Step 2: Convert to fraction form
107,403.63/161,171.93 = 62,446.13/x - Step 3: Cross multiply
107,403.63x = 161,171.93 × 62,446.13 - Step 4: Simplify right side
107,403.63x = 10,064,563,293.13 - Step 5: Solve for x
x = 10,064,563,293.13/107,403.63 - Step 6: Final answer
x = 93,707.85
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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.