Finding the Fourth Proportional to 69,511.48, 104,251.12 and 41,439.40
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Solution
The fourth proportional to 69,511.48, 104,251.12 and 41,439.40 is: 62,149.50
Step by Step Solution
- Step 1: Write the proportion equation
69,511.48 : 104,251.12 = 41,439.40 : x - Step 2: Convert to fraction form
69,511.48/104,251.12 = 41,439.40/x - Step 3: Cross multiply
69,511.48x = 104,251.12 × 41,439.40 - Step 4: Simplify right side
69,511.48x = 4,320,103,862.13 - Step 5: Solve for x
x = 4,320,103,862.13/69,511.48 - Step 6: Final answer
x = 62,149.50
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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.