Finding the Fourth Proportional to 104,090.88, 143,645.50 and 56,344.08
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Solution
The fourth proportional to 104,090.88, 143,645.50 and 56,344.08 is: 77,754.88
Step by Step Solution
- Step 1: Write the proportion equation
104,090.88 : 143,645.50 = 56,344.08 : x - Step 2: Convert to fraction form
104,090.88/143,645.50 = 56,344.08/x - Step 3: Cross multiply
104,090.88x = 143,645.50 × 56,344.08 - Step 4: Simplify right side
104,090.88x = 8,093,573,543.64 - Step 5: Solve for x
x = 8,093,573,543.64/104,090.88 - Step 6: Final answer
x = 77,754.88
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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.