Finding the Fourth Proportional to 75,424.24, 104,073.89 and 43,586.99
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Solution
The fourth proportional to 75,424.24, 104,073.89 and 43,586.99 is: 60,143.37
Step by Step Solution
- Step 1: Write the proportion equation
75,424.24 : 104,073.89 = 43,586.99 : x - Step 2: Convert to fraction form
75,424.24/104,073.89 = 43,586.99/x - Step 3: Cross multiply
75,424.24x = 104,073.89 × 43,586.99 - Step 4: Simplify right side
75,424.24x = 4,536,267,384.76 - Step 5: Solve for x
x = 4,536,267,384.76/75,424.24 - Step 6: Final answer
x = 60,143.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.