Finding the Fourth Proportional to 94,720.20, 130,704.57 and 52,275.99
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Solution
The fourth proportional to 94,720.20, 130,704.57 and 52,275.99 is: 72,135.73
Step by Step Solution
- Step 1: Write the proportion equation
94,720.20 : 130,704.57 = 52,275.99 : x - Step 2: Convert to fraction form
94,720.20/130,704.57 = 52,275.99/x - Step 3: Cross multiply
94,720.20x = 130,704.57 × 52,275.99 - Step 4: Simplify right side
94,720.20x = 6,832,710,794.27 - Step 5: Solve for x
x = 6,832,710,794.27/94,720.20 - Step 6: Final answer
x = 72,135.73
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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.