Finding the Fourth Proportional to 97,440.70, 134,465.52 and 54,419.02
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Solution
The fourth proportional to 97,440.70, 134,465.52 and 54,419.02 is: 75,096.77
Step by Step Solution
- Step 1: Write the proportion equation
97,440.70 : 134,465.52 = 54,419.02 : x - Step 2: Convert to fraction form
97,440.70/134,465.52 = 54,419.02/x - Step 3: Cross multiply
97,440.70x = 134,465.52 × 54,419.02 - Step 4: Simplify right side
97,440.70x = 7,317,481,822.19 - Step 5: Solve for x
x = 7,317,481,822.19/97,440.70 - Step 6: Final answer
x = 75,096.77
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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.