Finding the Fourth Proportional to 84,057.66, 126,101.45 and 27,901.08
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Solution
The fourth proportional to 84,057.66, 126,101.45 and 27,901.08 is: 41,856.59
Step by Step Solution
- Step 1: Write the proportion equation
84,057.66 : 126,101.45 = 27,901.08 : x - Step 2: Convert to fraction form
84,057.66/126,101.45 = 27,901.08/x - Step 3: Cross multiply
84,057.66x = 126,101.45 × 27,901.08 - Step 4: Simplify right side
84,057.66x = 3,518,366,714.32 - Step 5: Solve for x
x = 3,518,366,714.32/84,057.66 - Step 6: Final answer
x = 41,856.59
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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.