Finding the Fourth Proportional to 96,649.91, 133,378.43 and 54,207.53
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Solution
The fourth proportional to 96,649.91, 133,378.43 and 54,207.53 is: 74,807.26
Step by Step Solution
- Step 1: Write the proportion equation
96,649.91 : 133,378.43 = 54,207.53 : x - Step 2: Convert to fraction form
96,649.91/133,378.43 = 54,207.53/x - Step 3: Cross multiply
96,649.91x = 133,378.43 × 54,207.53 - Step 4: Simplify right side
96,649.91x = 7,230,114,307.65 - Step 5: Solve for x
x = 7,230,114,307.65/96,649.91 - Step 6: Final answer
x = 74,807.26
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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.