Finding the Fourth Proportional to 97,914.09, 135,120.96 and 55,472.52
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Solution
The fourth proportional to 97,914.09, 135,120.96 and 55,472.52 is: 76,551.80
Step by Step Solution
- Step 1: Write the proportion equation
97,914.09 : 135,120.96 = 55,472.52 : x - Step 2: Convert to fraction form
97,914.09/135,120.96 = 55,472.52/x - Step 3: Cross multiply
97,914.09x = 135,120.96 × 55,472.52 - Step 4: Simplify right side
97,914.09x = 7,495,500,156.02 - Step 5: Solve for x
x = 7,495,500,156.02/97,914.09 - Step 6: Final answer
x = 76,551.80
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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.