Finding the Fourth Proportional to 84,547.67, 126,620.19 and 48,933.99
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Solution
The fourth proportional to 84,547.67, 126,620.19 and 48,933.99 is: 73,284.47
Step by Step Solution
- Step 1: Write the proportion equation
84,547.67 : 126,620.19 = 48,933.99 : x - Step 2: Convert to fraction form
84,547.67/126,620.19 = 48,933.99/x - Step 3: Cross multiply
84,547.67x = 126,620.19 × 48,933.99 - Step 4: Simplify right side
84,547.67x = 6,196,031,111.26 - Step 5: Solve for x
x = 6,196,031,111.26/84,547.67 - Step 6: Final answer
x = 73,284.47
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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.