Finding the Fourth Proportional to 79,841.70, 110,113.83 and 48,004.65
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Solution
The fourth proportional to 79,841.70, 110,113.83 and 48,004.65 is: 66,205.70
Step by Step Solution
- Step 1: Write the proportion equation
79,841.70 : 110,113.83 = 48,004.65 : x - Step 2: Convert to fraction form
79,841.70/110,113.83 = 48,004.65/x - Step 3: Cross multiply
79,841.70x = 110,113.83 × 48,004.65 - Step 4: Simplify right side
79,841.70x = 5,285,975,869.31 - Step 5: Solve for x
x = 5,285,975,869.31/79,841.70 - Step 6: Final answer
x = 66,205.70
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1.5x scale
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.