Finding the Fourth Proportional to 83,018.37, 114,560.68 and 47,217.09
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Solution
The fourth proportional to 83,018.37, 114,560.68 and 47,217.09 is: 65,156.93
Step by Step Solution
- Step 1: Write the proportion equation
83,018.37 : 114,560.68 = 47,217.09 : x - Step 2: Convert to fraction form
83,018.37/114,560.68 = 47,217.09/x - Step 3: Cross multiply
83,018.37x = 114,560.68 × 47,217.09 - Step 4: Simplify right side
83,018.37x = 5,409,221,938.02 - Step 5: Solve for x
x = 5,409,221,938.02/83,018.37 - Step 6: Final answer
x = 65,156.93
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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.