Finding the Fourth Proportional to 107,666.16, 161,509.99 and 41,162.23
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Solution
The fourth proportional to 107,666.16, 161,509.99 and 41,162.23 is: 61,747.45
Step by Step Solution
- Step 1: Write the proportion equation
107,666.16 : 161,509.99 = 41,162.23 : x - Step 2: Convert to fraction form
107,666.16/161,509.99 = 41,162.23/x - Step 3: Cross multiply
107,666.16x = 161,509.99 × 41,162.23 - Step 4: Simplify right side
107,666.16x = 6,648,111,355.68 - Step 5: Solve for x
x = 6,648,111,355.68/107,666.16 - Step 6: Final answer
x = 61,747.45
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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.