Finding the Fourth Proportional to 79,980.57, 110,372.58 and 44,170.29
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Solution
The fourth proportional to 79,980.57, 110,372.58 and 44,170.29 is: 60,954.67
Step by Step Solution
- Step 1: Write the proportion equation
79,980.57 : 110,372.58 = 44,170.29 : x - Step 2: Convert to fraction form
79,980.57/110,372.58 = 44,170.29/x - Step 3: Cross multiply
79,980.57x = 110,372.58 × 44,170.29 - Step 4: Simplify right side
79,980.57x = 4,875,188,866.65 - Step 5: Solve for x
x = 4,875,188,866.65/79,980.57 - Step 6: Final answer
x = 60,954.67
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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.