Finding the Fourth Proportional to 74,353.74, 111,544.91 and 29,984.99
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Solution
The fourth proportional to 74,353.74, 111,544.91 and 29,984.99 is: 44,983.24
Step by Step Solution
- Step 1: Write the proportion equation
74,353.74 : 111,544.91 = 29,984.99 : x - Step 2: Convert to fraction form
74,353.74/111,544.91 = 29,984.99/x - Step 3: Cross multiply
74,353.74x = 111,544.91 × 29,984.99 - Step 4: Simplify right side
74,353.74x = 3,344,672,303.25 - Step 5: Solve for x
x = 3,344,672,303.25/74,353.74 - Step 6: Final answer
x = 44,983.24
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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.