Finding the Fourth Proportional to 67,395.77, 101,155.72 and 34,138.99
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Solution
The fourth proportional to 67,395.77, 101,155.72 and 34,138.99 is: 51,239.92
Step by Step Solution
- Step 1: Write the proportion equation
67,395.77 : 101,155.72 = 34,138.99 : x - Step 2: Convert to fraction form
67,395.77/101,155.72 = 34,138.99/x - Step 3: Cross multiply
67,395.77x = 101,155.72 × 34,138.99 - Step 4: Simplify right side
67,395.77x = 3,453,354,113.52 - Step 5: Solve for x
x = 3,453,354,113.52/67,395.77 - Step 6: Final answer
x = 51,239.92
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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.