Finding the Fourth Proportional to 75,555.99, 113,319.41 and 28,797.93
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Solution
The fourth proportional to 75,555.99, 113,319.41 and 28,797.93 is: 43,191.34
Step by Step Solution
- Step 1: Write the proportion equation
75,555.99 : 113,319.41 = 28,797.93 : x - Step 2: Convert to fraction form
75,555.99/113,319.41 = 28,797.93/x - Step 3: Cross multiply
75,555.99x = 113,319.41 × 28,797.93 - Step 4: Simplify right side
75,555.99x = 3,263,364,292.83 - Step 5: Solve for x
x = 3,263,364,292.83/75,555.99 - Step 6: Final answer
x = 43,191.34
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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.