Finding the Fourth Proportional to 87,570.05, 120,799.98 and 53,595.01
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Solution
The fourth proportional to 87,570.05, 120,799.98 and 53,595.01 is: 73,932.53
Step by Step Solution
- Step 1: Write the proportion equation
87,570.05 : 120,799.98 = 53,595.01 : x - Step 2: Convert to fraction form
87,570.05/120,799.98 = 53,595.01/x - Step 3: Cross multiply
87,570.05x = 120,799.98 × 53,595.01 - Step 4: Simplify right side
87,570.05x = 6,474,275,834.10 - Step 5: Solve for x
x = 6,474,275,834.10/87,570.05 - Step 6: Final answer
x = 73,932.53
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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.