Finding the Fourth Proportional to 89,351.54, 134,082.81 and 55,683.62
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Solution
The fourth proportional to 89,351.54, 134,082.81 and 55,683.62 is: 83,560.02
Step by Step Solution
- Step 1: Write the proportion equation
89,351.54 : 134,082.81 = 55,683.62 : x - Step 2: Convert to fraction form
89,351.54/134,082.81 = 55,683.62/x - Step 3: Cross multiply
89,351.54x = 134,082.81 × 55,683.62 - Step 4: Simplify right side
89,351.54x = 7,466,216,072.97 - Step 5: Solve for x
x = 7,466,216,072.97/89,351.54 - Step 6: Final answer
x = 83,560.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.