Finding the Fourth Proportional to 75,744.54, 113,630.58 and 25,822.08
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Solution
The fourth proportional to 75,744.54, 113,630.58 and 25,822.08 is: 38,737.81
Step by Step Solution
- Step 1: Write the proportion equation
75,744.54 : 113,630.58 = 25,822.08 : x - Step 2: Convert to fraction form
75,744.54/113,630.58 = 25,822.08/x - Step 3: Cross multiply
75,744.54x = 113,630.58 × 25,822.08 - Step 4: Simplify right side
75,744.54x = 2,934,177,927.21 - Step 5: Solve for x
x = 2,934,177,927.21/75,744.54 - Step 6: Final answer
x = 38,737.81
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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.