Finding the Fourth Proportional to 75,450.84, 113,193.77 and 22,140.65
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Solution
The fourth proportional to 75,450.84, 113,193.77 and 22,140.65 is: 33,216.10
Step by Step Solution
- Step 1: Write the proportion equation
75,450.84 : 113,193.77 = 22,140.65 : x - Step 2: Convert to fraction form
75,450.84/113,193.77 = 22,140.65/x - Step 3: Cross multiply
75,450.84x = 113,193.77 × 22,140.65 - Step 4: Simplify right side
75,450.84x = 2,506,182,967.08 - Step 5: Solve for x
x = 2,506,182,967.08/75,450.84 - Step 6: Final answer
x = 33,216.10
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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.