Finding the Fourth Proportional to 73,381.68, 101,267.28 and 39,847.68
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Solution
The fourth proportional to 73,381.68, 101,267.28 and 39,847.68 is: 54,990.10
Step by Step Solution
- Step 1: Write the proportion equation
73,381.68 : 101,267.28 = 39,847.68 : x - Step 2: Convert to fraction form
73,381.68/101,267.28 = 39,847.68/x - Step 3: Cross multiply
73,381.68x = 101,267.28 × 39,847.68 - Step 4: Simplify right side
73,381.68x = 4,035,266,167.91 - Step 5: Solve for x
x = 4,035,266,167.91/73,381.68 - Step 6: Final answer
x = 54,990.10
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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.