Finding the Fourth Proportional to 70,927.68, 106,395.17 and 18,337.62
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Solution
The fourth proportional to 70,927.68, 106,395.17 and 18,337.62 is: 27,507.37
Step by Step Solution
- Step 1: Write the proportion equation
70,927.68 : 106,395.17 = 18,337.62 : x - Step 2: Convert to fraction form
70,927.68/106,395.17 = 18,337.62/x - Step 3: Cross multiply
70,927.68x = 106,395.17 × 18,337.62 - Step 4: Simplify right side
70,927.68x = 1,951,034,197.30 - Step 5: Solve for x
x = 1,951,034,197.30/70,927.68 - Step 6: Final answer
x = 27,507.37
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1.5x scale
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.