Finding the Fourth Proportional to 104,090.73, 143,645.58 and 56,344.02
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Solution
The fourth proportional to 104,090.73, 143,645.58 and 56,344.02 is: 77,754.95
Step by Step Solution
- Step 1: Write the proportion equation
104,090.73 : 143,645.58 = 56,344.02 : x - Step 2: Convert to fraction form
104,090.73/143,645.58 = 56,344.02/x - Step 3: Cross multiply
104,090.73x = 143,645.58 × 56,344.02 - Step 4: Simplify right side
104,090.73x = 8,093,569,432.43 - Step 5: Solve for x
x = 8,093,569,432.43/104,090.73 - Step 6: Final answer
x = 77,754.95
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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.