Finding the Fourth Proportional to 83,933.21, 125,913.99 and 59,784.99
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Solution
The fourth proportional to 83,933.21, 125,913.99 and 59,784.99 is: 89,687.58
Step by Step Solution
- Step 1: Write the proportion equation
83,933.21 : 125,913.99 = 59,784.99 : x - Step 2: Convert to fraction form
83,933.21/125,913.99 = 59,784.99/x - Step 3: Cross multiply
83,933.21x = 125,913.99 × 59,784.99 - Step 4: Simplify right side
83,933.21x = 7,527,766,385.03 - Step 5: Solve for x
x = 7,527,766,385.03/83,933.21 - Step 6: Final answer
x = 89,687.58
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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.