Finding the Fourth Proportional to 70,736.08, 106,101.58 and 18,146.08
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Solution
The fourth proportional to 70,736.08, 106,101.58 and 18,146.08 is: 27,218.47
Step by Step Solution
- Step 1: Write the proportion equation
70,736.08 : 106,101.58 = 18,146.08 : x - Step 2: Convert to fraction form
70,736.08/106,101.58 = 18,146.08/x - Step 3: Cross multiply
70,736.08x = 106,101.58 × 18,146.08 - Step 4: Simplify right side
70,736.08x = 1,925,327,758.81 - Step 5: Solve for x
x = 1,925,327,758.81/70,736.08 - Step 6: Final answer
x = 27,218.47
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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.