Finding the Fourth Proportional to 74,107.44, 102,267.24 and 42,276.84
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Solution
The fourth proportional to 74,107.44, 102,267.24 and 42,276.84 is: 58,341.45
Step by Step Solution
- Step 1: Write the proportion equation
74,107.44 : 102,267.24 = 42,276.84 : x - Step 2: Convert to fraction form
74,107.44/102,267.24 = 42,276.84/x - Step 3: Cross multiply
74,107.44x = 102,267.24 × 42,276.84 - Step 4: Simplify right side
74,107.44x = 4,323,535,742.72 - Step 5: Solve for x
x = 4,323,535,742.72/74,107.44 - Step 6: Final answer
x = 58,341.45
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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.