Finding the Fourth Proportional to 96,326.10, 144,489.15 and 79,737.30
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Solution
The fourth proportional to 96,326.10, 144,489.15 and 79,737.30 is: 119,605.95
Step by Step Solution
- Step 1: Write the proportion equation
96,326.10 : 144,489.15 = 79,737.30 : x - Step 2: Convert to fraction form
96,326.10/144,489.15 = 79,737.30/x - Step 3: Cross multiply
96,326.10x = 144,489.15 × 79,737.30 - Step 4: Simplify right side
96,326.10x = 11,521,174,700.30 - Step 5: Solve for x
x = 11,521,174,700.30/96,326.10 - Step 6: Final answer
x = 119,605.95
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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.