Finding the Fourth Proportional to 74,320.21, 102,555.09 and 44,100.31
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Solution
The fourth proportional to 74,320.21, 102,555.09 and 44,100.31 is: 60,854.39
Step by Step Solution
- Step 1: Write the proportion equation
74,320.21 : 102,555.09 = 44,100.31 : x - Step 2: Convert to fraction form
74,320.21/102,555.09 = 44,100.31/x - Step 3: Cross multiply
74,320.21x = 102,555.09 × 44,100.31 - Step 4: Simplify right side
74,320.21x = 4,522,711,261.08 - Step 5: Solve for x
x = 4,522,711,261.08/74,320.21 - Step 6: Final answer
x = 60,854.39
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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.