Finding the Fourth Proportional to 97,992.88, 135,230.24 and 55,554.14
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Solution
The fourth proportional to 97,992.88, 135,230.24 and 55,554.14 is: 76,664.75
Step by Step Solution
- Step 1: Write the proportion equation
97,992.88 : 135,230.24 = 55,554.14 : x - Step 2: Convert to fraction form
97,992.88/135,230.24 = 55,554.14/x - Step 3: Cross multiply
97,992.88x = 135,230.24 × 55,554.14 - Step 4: Simplify right side
97,992.88x = 7,512,599,685.19 - Step 5: Solve for x
x = 7,512,599,685.19/97,992.88 - Step 6: Final answer
x = 76,664.75
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1.5x scale
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.