Finding the Fourth Proportional to 112,729.53, 169,014.20 and 56,529.09
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Solution
The fourth proportional to 112,729.53, 169,014.20 and 56,529.09 is: 84,753.48
Step by Step Solution
- Step 1: Write the proportion equation
112,729.53 : 169,014.20 = 56,529.09 : x - Step 2: Convert to fraction form
112,729.53/169,014.20 = 56,529.09/x - Step 3: Cross multiply
112,729.53x = 169,014.20 × 56,529.09 - Step 4: Simplify right side
112,729.53x = 9,554,219,204.29 - Step 5: Solve for x
x = 9,554,219,204.29/112,729.53 - Step 6: Final answer
x = 84,753.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.