Finding the Fourth Proportional to 75,789.56, 104,588.21 and 41,801.19
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Solution
The fourth proportional to 75,789.56, 104,588.21 and 41,801.19 is: 57,684.88
Step by Step Solution
- Step 1: Write the proportion equation
75,789.56 : 104,588.21 = 41,801.19 : x - Step 2: Convert to fraction form
75,789.56/104,588.21 = 41,801.19/x - Step 3: Cross multiply
75,789.56x = 104,588.21 × 41,801.19 - Step 4: Simplify right side
75,789.56x = 4,371,911,428.96 - Step 5: Solve for x
x = 4,371,911,428.96/75,789.56 - Step 6: Final answer
x = 57,684.88
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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.