Finding the Fourth Proportional to 73,860.18, 110,790.45 and 29,490.54
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Solution
The fourth proportional to 73,860.18, 110,790.45 and 29,490.54 is: 44,235.88
Step by Step Solution
- Step 1: Write the proportion equation
73,860.18 : 110,790.45 = 29,490.54 : x - Step 2: Convert to fraction form
73,860.18/110,790.45 = 29,490.54/x - Step 3: Cross multiply
73,860.18x = 110,790.45 × 29,490.54 - Step 4: Simplify right side
73,860.18x = 3,267,270,197.34 - Step 5: Solve for x
x = 3,267,270,197.34/73,860.18 - Step 6: Final answer
x = 44,235.88
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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.