Finding the Fourth Proportional to 83,877.21, 115,750.49 and 48,065.49
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Solution
The fourth proportional to 83,877.21, 115,750.49 and 48,065.49 is: 66,330.34
Step by Step Solution
- Step 1: Write the proportion equation
83,877.21 : 115,750.49 = 48,065.49 : x - Step 2: Convert to fraction form
83,877.21/115,750.49 = 48,065.49/x - Step 3: Cross multiply
83,877.21x = 115,750.49 × 48,065.49 - Step 4: Simplify right side
83,877.21x = 5,563,603,779.26 - Step 5: Solve for x
x = 5,563,603,779.26/83,877.21 - Step 6: Final answer
x = 66,330.34
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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.