Finding the Fourth Proportional to 75,202.14, 103,778.97 and 44,988.72
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Solution
The fourth proportional to 75,202.14, 103,778.97 and 44,988.72 is: 62,084.44
Step by Step Solution
- Step 1: Write the proportion equation
75,202.14 : 103,778.97 = 44,988.72 : x - Step 2: Convert to fraction form
75,202.14/103,778.97 = 44,988.72/x - Step 3: Cross multiply
75,202.14x = 103,778.97 × 44,988.72 - Step 4: Simplify right side
75,202.14x = 4,668,883,023.22 - Step 5: Solve for x
x = 4,668,883,023.22/75,202.14 - Step 6: Final answer
x = 62,084.44
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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.