Finding the Fourth Proportional to 94,763.10, 130,772.21 and 52,320.70
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Solution
The fourth proportional to 94,763.10, 130,772.21 and 52,320.70 is: 72,202.09
Step by Step Solution
- Step 1: Write the proportion equation
94,763.10 : 130,772.21 = 52,320.70 : x - Step 2: Convert to fraction form
94,763.10/130,772.21 = 52,320.70/x - Step 3: Cross multiply
94,763.10x = 130,772.21 × 52,320.70 - Step 4: Simplify right side
94,763.10x = 6,842,093,567.75 - Step 5: Solve for x
x = 6,842,093,567.75/94,763.10 - Step 6: Final answer
x = 72,202.09
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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.