Finding the Fourth Proportional to 97,478.44, 134,520.24 and 55,039.70
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Solution
The fourth proportional to 97,478.44, 134,520.24 and 55,039.70 is: 75,954.79
Step by Step Solution
- Step 1: Write the proportion equation
97,478.44 : 134,520.24 = 55,039.70 : x - Step 2: Convert to fraction form
97,478.44/134,520.24 = 55,039.70/x - Step 3: Cross multiply
97,478.44x = 134,520.24 × 55,039.70 - Step 4: Simplify right side
97,478.44x = 7,403,954,196.23 - Step 5: Solve for x
x = 7,403,954,196.23/97,478.44 - Step 6: Final answer
x = 75,954.79
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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.