Finding the Fourth Proportional to 96,649.94, 133,478.28 and 66,513.08
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Solution
The fourth proportional to 96,649.94, 133,478.28 and 66,513.08 is: 91,857.81
Step by Step Solution
- Step 1: Write the proportion equation
96,649.94 : 133,478.28 = 66,513.08 : x - Step 2: Convert to fraction form
96,649.94/133,478.28 = 66,513.08/x - Step 3: Cross multiply
96,649.94x = 133,478.28 × 66,513.08 - Step 4: Simplify right side
96,649.94x = 8,878,051,849.60 - Step 5: Solve for x
x = 8,878,051,849.60/96,649.94 - Step 6: Final answer
x = 91,857.81
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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.