Finding the Fourth Proportional to 81,107.91, 121,652.28 and 24,947.91
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Solution
The fourth proportional to 81,107.91, 121,652.28 and 24,947.91 is: 37,418.92
Step by Step Solution
- Step 1: Write the proportion equation
81,107.91 : 121,652.28 = 24,947.91 : x - Step 2: Convert to fraction form
81,107.91/121,652.28 = 24,947.91/x - Step 3: Cross multiply
81,107.91x = 121,652.28 × 24,947.91 - Step 4: Simplify right side
81,107.91x = 3,034,970,132.73 - Step 5: Solve for x
x = 3,034,970,132.73/81,107.91 - Step 6: Final answer
x = 37,418.92
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1.5x scale
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.