Finding the Fourth Proportional to 75,782.16, 113,660.99 and 35,801.05
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Solution
The fourth proportional to 75,782.16, 113,660.99 and 35,801.05 is: 53,695.79
Step by Step Solution
- Step 1: Write the proportion equation
75,782.16 : 113,660.99 = 35,801.05 : x - Step 2: Convert to fraction form
75,782.16/113,660.99 = 35,801.05/x - Step 3: Cross multiply
75,782.16x = 113,660.99 × 35,801.05 - Step 4: Simplify right side
75,782.16x = 4,069,182,786.04 - Step 5: Solve for x
x = 4,069,182,786.04/75,782.16 - Step 6: Final answer
x = 53,695.79
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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.