Finding the Fourth Proportional to 83,642.67, 125,201.57 and 44,079.84
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Solution
The fourth proportional to 83,642.67, 125,201.57 and 44,079.84 is: 65,981.45
Step by Step Solution
- Step 1: Write the proportion equation
83,642.67 : 125,201.57 = 44,079.84 : x - Step 2: Convert to fraction form
83,642.67/125,201.57 = 44,079.84/x - Step 3: Cross multiply
83,642.67x = 125,201.57 × 44,079.84 - Step 4: Simplify right side
83,642.67x = 5,518,864,952.95 - Step 5: Solve for x
x = 5,518,864,952.95/83,642.67 - Step 6: Final answer
x = 65,981.45
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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.