Finding the Fourth Proportional to 83,720.64, 125,581.94 and 24,557.49
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Solution
The fourth proportional to 83,720.64, 125,581.94 and 24,557.49 is: 36,836.52
Step by Step Solution
- Step 1: Write the proportion equation
83,720.64 : 125,581.94 = 24,557.49 : x - Step 2: Convert to fraction form
83,720.64/125,581.94 = 24,557.49/x - Step 3: Cross multiply
83,720.64x = 125,581.94 × 24,557.49 - Step 4: Simplify right side
83,720.64x = 3,083,977,112.94 - Step 5: Solve for x
x = 3,083,977,112.94/83,720.64 - Step 6: Final answer
x = 36,836.52
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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.