Finding the Fourth Proportional to 75,057.48, 103,534.20 and 49,564.08
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Solution
The fourth proportional to 75,057.48, 103,534.20 and 49,564.08 is: 68,368.63
Step by Step Solution
- Step 1: Write the proportion equation
75,057.48 : 103,534.20 = 49,564.08 : x - Step 2: Convert to fraction form
75,057.48/103,534.20 = 49,564.08/x - Step 3: Cross multiply
75,057.48x = 103,534.20 × 49,564.08 - Step 4: Simplify right side
75,057.48x = 5,131,577,371.54 - Step 5: Solve for x
x = 5,131,577,371.54/75,057.48 - Step 6: Final answer
x = 68,368.63
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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.