Finding the Fourth Proportional to 83,644.13, 125,469.69 and 24,479.81
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Solution
The fourth proportional to 83,644.13, 125,469.69 and 24,479.81 is: 36,720.74
Step by Step Solution
- Step 1: Write the proportion equation
83,644.13 : 125,469.69 = 24,479.81 : x - Step 2: Convert to fraction form
83,644.13/125,469.69 = 24,479.81/x - Step 3: Cross multiply
83,644.13x = 125,469.69 × 24,479.81 - Step 4: Simplify right side
83,644.13x = 3,071,474,171.96 - Step 5: Solve for x
x = 3,071,474,171.96/83,644.13 - Step 6: Final answer
x = 36,720.74
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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.