Finding the Fourth Proportional to 74,265.96, 111,372.96 and 44,689.08
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Solution
The fourth proportional to 74,265.96, 111,372.96 and 44,689.08 is: 67,017.99
Step by Step Solution
- Step 1: Write the proportion equation
74,265.96 : 111,372.96 = 44,689.08 : x - Step 2: Convert to fraction form
74,265.96/111,372.96 = 44,689.08/x - Step 3: Cross multiply
74,265.96x = 111,372.96 × 44,689.08 - Step 4: Simplify right side
74,265.96x = 4,977,155,119.28 - Step 5: Solve for x
x = 4,977,155,119.28/74,265.96 - Step 6: Final answer
x = 67,017.99
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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.