Finding the Fourth Proportional to 75,981.24, 113,963.36 and 29,201.31
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Solution
The fourth proportional to 75,981.24, 113,963.36 and 29,201.31 is: 43,798.70
Step by Step Solution
- Step 1: Write the proportion equation
75,981.24 : 113,963.36 = 29,201.31 : x - Step 2: Convert to fraction form
75,981.24/113,963.36 = 29,201.31/x - Step 3: Cross multiply
75,981.24x = 113,963.36 × 29,201.31 - Step 4: Simplify right side
75,981.24x = 3,327,879,258.00 - Step 5: Solve for x
x = 3,327,879,258.00/75,981.24 - Step 6: Final answer
x = 43,798.70
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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.