Finding the Fourth Proportional to 74,804.58, 103,175.91 and 46,086.12
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Solution
The fourth proportional to 74,804.58, 103,175.91 and 46,086.12 is: 63,565.32
Step by Step Solution
- Step 1: Write the proportion equation
74,804.58 : 103,175.91 = 46,086.12 : x - Step 2: Convert to fraction form
74,804.58/103,175.91 = 46,086.12/x - Step 3: Cross multiply
74,804.58x = 103,175.91 × 46,086.12 - Step 4: Simplify right side
74,804.58x = 4,754,977,369.37 - Step 5: Solve for x
x = 4,754,977,369.37/74,804.58 - Step 6: Final answer
x = 63,565.32
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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.