Finding the Fourth Proportional to 107,576.84, 148,431.54 and 62,253.68
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Solution
The fourth proportional to 107,576.84, 148,431.54 and 62,253.68 is: 85,895.90
Step by Step Solution
- Step 1: Write the proportion equation
107,576.84 : 148,431.54 = 62,253.68 : x - Step 2: Convert to fraction form
107,576.84/148,431.54 = 62,253.68/x - Step 3: Cross multiply
107,576.84x = 148,431.54 × 62,253.68 - Step 4: Simplify right side
107,576.84x = 9,240,409,593.07 - Step 5: Solve for x
x = 9,240,409,593.07/107,576.84 - Step 6: Final answer
x = 85,895.90
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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.