Finding the Fourth Proportional to 104,344.98, 143,994.99 and 56,597.31
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Solution
The fourth proportional to 104,344.98, 143,994.99 and 56,597.31 is: 78,103.70
Step by Step Solution
- Step 1: Write the proportion equation
104,344.98 : 143,994.99 = 56,597.31 : x - Step 2: Convert to fraction form
104,344.98/143,994.99 = 56,597.31/x - Step 3: Cross multiply
104,344.98x = 143,994.99 × 56,597.31 - Step 4: Simplify right side
104,344.98x = 8,149,729,087.48 - Step 5: Solve for x
x = 8,149,729,087.48/104,344.98 - Step 6: Final answer
x = 78,103.70
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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.