Finding the Fourth Proportional to 75,056.36, 103,569.86 and 46,765.16
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Solution
The fourth proportional to 75,056.36, 103,569.86 and 46,765.16 is: 64,530.99
Step by Step Solution
- Step 1: Write the proportion equation
75,056.36 : 103,569.86 = 46,765.16 : x - Step 2: Convert to fraction form
75,056.36/103,569.86 = 46,765.16/x - Step 3: Cross multiply
75,056.36x = 103,569.86 × 46,765.16 - Step 4: Simplify right side
75,056.36x = 4,843,461,074.08 - Step 5: Solve for x
x = 4,843,461,074.08/75,056.36 - Step 6: Final answer
x = 64,530.99
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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.