Finding the Fourth Proportional to 76,893.13, 115,329.56 and 22,856.67
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Solution
The fourth proportional to 76,893.13, 115,329.56 and 22,856.67 is: 34,281.99
Step by Step Solution
- Step 1: Write the proportion equation
76,893.13 : 115,329.56 = 22,856.67 : x - Step 2: Convert to fraction form
76,893.13/115,329.56 = 22,856.67/x - Step 3: Cross multiply
76,893.13x = 115,329.56 × 22,856.67 - Step 4: Simplify right side
76,893.13x = 2,636,049,174.66 - Step 5: Solve for x
x = 2,636,049,174.66/76,893.13 - Step 6: Final answer
x = 34,281.99
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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.