Finding the Fourth Proportional to 74,703.08, 103,090.25 and 41,169.08
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Solution
The fourth proportional to 74,703.08, 103,090.25 and 41,169.08 is: 56,813.33
Step by Step Solution
- Step 1: Write the proportion equation
74,703.08 : 103,090.25 = 41,169.08 : x - Step 2: Convert to fraction form
74,703.08/103,090.25 = 41,169.08/x - Step 3: Cross multiply
74,703.08x = 103,090.25 × 41,169.08 - Step 4: Simplify right side
74,703.08x = 4,244,130,749.47 - Step 5: Solve for x
x = 4,244,130,749.47/74,703.08 - Step 6: Final answer
x = 56,813.33
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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.