Finding the Fourth Proportional to 75,984.19, 113,906.61 and 29,201.83
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Solution
The fourth proportional to 75,984.19, 113,906.61 and 29,201.83 is: 43,775.97
Step by Step Solution
- Step 1: Write the proportion equation
75,984.19 : 113,906.61 = 29,201.83 : x - Step 2: Convert to fraction form
75,984.19/113,906.61 = 29,201.83/x - Step 3: Cross multiply
75,984.19x = 113,906.61 × 29,201.83 - Step 4: Simplify right side
75,984.19x = 3,326,281,461.10 - Step 5: Solve for x
x = 3,326,281,461.10/75,984.19 - Step 6: Final answer
x = 43,775.97
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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.