Finding the Fourth Proportional to 107,742.12, 161,547.12 and 41,110.80
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Solution
The fourth proportional to 107,742.12, 161,547.12 and 41,110.80 is: 61,640.99
Step by Step Solution
- Step 1: Write the proportion equation
107,742.12 : 161,547.12 = 41,110.80 : x - Step 2: Convert to fraction form
107,742.12/161,547.12 = 41,110.80/x - Step 3: Cross multiply
107,742.12x = 161,547.12 × 41,110.80 - Step 4: Simplify right side
107,742.12x = 6,641,331,340.90 - Step 5: Solve for x
x = 6,641,331,340.90/107,742.12 - Step 6: Final answer
x = 61,640.99
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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.