Finding the Fourth Proportional to 96,462.78, 133,029.63 and 66,194.70
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Solution
The fourth proportional to 96,462.78, 133,029.63 and 66,194.70 is: 91,287.61
Step by Step Solution
- Step 1: Write the proportion equation
96,462.78 : 133,029.63 = 66,194.70 : x - Step 2: Convert to fraction form
96,462.78/133,029.63 = 66,194.70/x - Step 3: Cross multiply
96,462.78x = 133,029.63 × 66,194.70 - Step 4: Simplify right side
96,462.78x = 8,805,856,448.96 - Step 5: Solve for x
x = 8,805,856,448.96/96,462.78 - Step 6: Final answer
x = 91,287.61
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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.