Finding the Fourth Proportional to 96,178.77, 132,723.97 and 53,737.30
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Solution
The fourth proportional to 96,178.77, 132,723.97 and 53,737.30 is: 74,155.95
Step by Step Solution
- Step 1: Write the proportion equation
96,178.77 : 132,723.97 = 53,737.30 : x - Step 2: Convert to fraction form
96,178.77/132,723.97 = 53,737.30/x - Step 3: Cross multiply
96,178.77x = 132,723.97 × 53,737.30 - Step 4: Simplify right side
96,178.77x = 7,132,227,793.08 - Step 5: Solve for x
x = 7,132,227,793.08/96,178.77 - Step 6: Final answer
x = 74,155.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.