Finding the Fourth Proportional to 89,330.99, 123,278.69 and 51,093.99
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Solution
The fourth proportional to 89,330.99, 123,278.69 and 51,093.99 is: 70,510.81
Step by Step Solution
- Step 1: Write the proportion equation
89,330.99 : 123,278.69 = 51,093.99 : x - Step 2: Convert to fraction form
89,330.99/123,278.69 = 51,093.99/x - Step 3: Cross multiply
89,330.99x = 123,278.69 × 51,093.99 - Step 4: Simplify right side
89,330.99x = 6,298,800,281.81 - Step 5: Solve for x
x = 6,298,800,281.81/89,330.99 - Step 6: Final answer
x = 70,510.81
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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.