Finding the Fourth Proportional to 99,256.25, 136,958.22 and 58,968.99
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Solution
The fourth proportional to 99,256.25, 136,958.22 and 58,968.99 is: 81,368.06
Step by Step Solution
- Step 1: Write the proportion equation
99,256.25 : 136,958.22 = 58,968.99 : x - Step 2: Convert to fraction form
99,256.25/136,958.22 = 58,968.99/x - Step 3: Cross multiply
99,256.25x = 136,958.22 × 58,968.99 - Step 4: Simplify right side
99,256.25x = 8,076,287,905.60 - Step 5: Solve for x
x = 8,076,287,905.60/99,256.25 - Step 6: Final answer
x = 81,368.06
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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.