Finding the Fourth Proportional to 97,447.68, 134,480.16 and 55,006.80
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Solution
The fourth proportional to 97,447.68, 134,480.16 and 55,006.80 is: 75,910.72
Step by Step Solution
- Step 1: Write the proportion equation
97,447.68 : 134,480.16 = 55,006.80 : x - Step 2: Convert to fraction form
97,447.68/134,480.16 = 55,006.80/x - Step 3: Cross multiply
97,447.68x = 134,480.16 × 55,006.80 - Step 4: Simplify right side
97,447.68x = 7,397,323,265.09 - Step 5: Solve for x
x = 7,397,323,265.09/97,447.68 - Step 6: Final answer
x = 75,910.72
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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.