Finding the Fourth Proportional to 73,777.12, 110,644.08 and 29,389.12
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Solution
The fourth proportional to 73,777.12, 110,644.08 and 29,389.12 is: 44,075.08
Step by Step Solution
- Step 1: Write the proportion equation
73,777.12 : 110,644.08 = 29,389.12 : x - Step 2: Convert to fraction form
73,777.12/110,644.08 = 29,389.12/x - Step 3: Cross multiply
73,777.12x = 110,644.08 × 29,389.12 - Step 4: Simplify right side
73,777.12x = 3,251,732,144.41 - Step 5: Solve for x
x = 3,251,732,144.41/73,777.12 - Step 6: Final answer
x = 44,075.08
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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.