Finding the Fourth Proportional to 75,483.63, 113,244.89 and 28,710.99
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Solution
The fourth proportional to 75,483.63, 113,244.89 and 28,710.99 is: 43,073.88
Step by Step Solution
- Step 1: Write the proportion equation
75,483.63 : 113,244.89 = 28,710.99 : x - Step 2: Convert to fraction form
75,483.63/113,244.89 = 28,710.99/x - Step 3: Cross multiply
75,483.63x = 113,244.89 × 28,710.99 - Step 4: Simplify right side
75,483.63x = 3,251,372,760.79 - Step 5: Solve for x
x = 3,251,372,760.79/75,483.63 - Step 6: Final answer
x = 43,073.88
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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.