Finding the Fourth Proportional to 97,114.76, 134,020.87 and 54,674.81
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Solution
The fourth proportional to 97,114.76, 134,020.87 and 54,674.81 is: 75,452.65
Step by Step Solution
- Step 1: Write the proportion equation
97,114.76 : 134,020.87 = 54,674.81 : x - Step 2: Convert to fraction form
97,114.76/134,020.87 = 54,674.81/x - Step 3: Cross multiply
97,114.76x = 134,020.87 × 54,674.81 - Step 4: Simplify right side
97,114.76x = 7,327,565,603.28 - Step 5: Solve for x
x = 7,327,565,603.28/97,114.76 - Step 6: Final answer
x = 75,452.65
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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.