Finding the Fourth Proportional to 75,682.04, 104,410.08 and 43,398.68
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Solution
The fourth proportional to 75,682.04, 104,410.08 and 43,398.68 is: 59,872.32
Step by Step Solution
- Step 1: Write the proportion equation
75,682.04 : 104,410.08 = 43,398.68 : x - Step 2: Convert to fraction form
75,682.04/104,410.08 = 43,398.68/x - Step 3: Cross multiply
75,682.04x = 104,410.08 × 43,398.68 - Step 4: Simplify right side
75,682.04x = 4,531,259,650.69 - Step 5: Solve for x
x = 4,531,259,650.69/75,682.04 - Step 6: Final answer
x = 59,872.32
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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.