Finding the Fourth Proportional to 84,977.76, 127,434.97 and 24,990.18
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Solution
The fourth proportional to 84,977.76, 127,434.97 and 24,990.18 is: 37,475.96
Step by Step Solution
- Step 1: Write the proportion equation
84,977.76 : 127,434.97 = 24,990.18 : x - Step 2: Convert to fraction form
84,977.76/127,434.97 = 24,990.18/x - Step 3: Cross multiply
84,977.76x = 127,434.97 × 24,990.18 - Step 4: Simplify right side
84,977.76x = 3,184,622,838.59 - Step 5: Solve for x
x = 3,184,622,838.59/84,977.76 - Step 6: Final answer
x = 37,475.96
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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.