Finding the Fourth Proportional to 96,648.15, 133,502.20 and 80,567.99
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Solution
The fourth proportional to 96,648.15, 133,502.20 and 80,567.99 is: 111,290.31
Step by Step Solution
- Step 1: Write the proportion equation
96,648.15 : 133,502.20 = 80,567.99 : x - Step 2: Convert to fraction form
96,648.15/133,502.20 = 80,567.99/x - Step 3: Cross multiply
96,648.15x = 133,502.20 × 80,567.99 - Step 4: Simplify right side
96,648.15x = 10,756,003,045.65 - Step 5: Solve for x
x = 10,756,003,045.65/96,648.15 - Step 6: Final answer
x = 111,290.31
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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.