Finding the Fourth Proportional to 93,668.10, 140,210.55 and 54,107.70
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Solution
The fourth proportional to 93,668.10, 140,210.55 and 54,107.70 is: 80,993.11
Step by Step Solution
- Step 1: Write the proportion equation
93,668.10 : 140,210.55 = 54,107.70 : x - Step 2: Convert to fraction form
93,668.10/140,210.55 = 54,107.70/x - Step 3: Cross multiply
93,668.10x = 140,210.55 × 54,107.70 - Step 4: Simplify right side
93,668.10x = 7,586,470,376.24 - Step 5: Solve for x
x = 7,586,470,376.24/93,668.10 - Step 6: Final answer
x = 80,993.11
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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.