Finding the Fourth Proportional to 75,358.24, 103,995.44 and 41,370.10
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Solution
The fourth proportional to 75,358.24, 103,995.44 and 41,370.10 is: 57,091.32
Step by Step Solution
- Step 1: Write the proportion equation
75,358.24 : 103,995.44 = 41,370.10 : x - Step 2: Convert to fraction form
75,358.24/103,995.44 = 41,370.10/x - Step 3: Cross multiply
75,358.24x = 103,995.44 × 41,370.10 - Step 4: Simplify right side
75,358.24x = 4,302,301,752.34 - Step 5: Solve for x
x = 4,302,301,752.34/75,358.24 - Step 6: Final answer
x = 57,091.32
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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.