Finding the Fourth Proportional to 75,353.60, 103,948.70 and 44,708.84
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Solution
The fourth proportional to 75,353.60, 103,948.70 and 44,708.84 is: 61,674.90
Step by Step Solution
- Step 1: Write the proportion equation
75,353.60 : 103,948.70 = 44,708.84 : x - Step 2: Convert to fraction form
75,353.60/103,948.70 = 44,708.84/x - Step 3: Cross multiply
75,353.60x = 103,948.70 × 44,708.84 - Step 4: Simplify right side
75,353.60x = 4,647,425,796.51 - Step 5: Solve for x
x = 4,647,425,796.51/75,353.60 - Step 6: Final answer
x = 61,674.90
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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.