Finding the Fourth Proportional to 73,813.80, 110,688.30 and 29,425.80
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Solution
The fourth proportional to 73,813.80, 110,688.30 and 29,425.80 is: 44,125.78
Step by Step Solution
- Step 1: Write the proportion equation
73,813.80 : 110,688.30 = 29,425.80 : x - Step 2: Convert to fraction form
73,813.80/110,688.30 = 29,425.80/x - Step 3: Cross multiply
73,813.80x = 110,688.30 × 29,425.80 - Step 4: Simplify right side
73,813.80x = 3,257,091,778.14 - Step 5: Solve for x
x = 3,257,091,778.14/73,813.80 - Step 6: Final answer
x = 44,125.78
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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.