Finding the Fourth Proportional to 83,720.10, 125,600.40 and 24,557.70
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Solution
The fourth proportional to 83,720.10, 125,600.40 and 24,557.70 is: 36,842.49
Step by Step Solution
- Step 1: Write the proportion equation
83,720.10 : 125,600.40 = 24,557.70 : x - Step 2: Convert to fraction form
83,720.10/125,600.40 = 24,557.70/x - Step 3: Cross multiply
83,720.10x = 125,600.40 × 24,557.70 - Step 4: Simplify right side
83,720.10x = 3,084,456,943.08 - Step 5: Solve for x
x = 3,084,456,943.08/83,720.10 - Step 6: Final answer
x = 36,842.49
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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.