Finding the Fourth Proportional to 84,953.28, 126,793.44 and 83,551.80
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Solution
The fourth proportional to 84,953.28, 126,793.44 and 83,551.80 is: 124,701.72
Step by Step Solution
- Step 1: Write the proportion equation
84,953.28 : 126,793.44 = 83,551.80 : x - Step 2: Convert to fraction form
84,953.28/126,793.44 = 83,551.80/x - Step 3: Cross multiply
84,953.28x = 126,793.44 × 83,551.80 - Step 4: Simplify right side
84,953.28x = 10,593,820,140.19 - Step 5: Solve for x
x = 10,593,820,140.19/84,953.28 - Step 6: Final answer
x = 124,701.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.