Finding the Fourth Proportional to 76,926.83, 115,406.93 and 23,618.99
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Solution
The fourth proportional to 76,926.83, 115,406.93 and 23,618.99 is: 35,433.61
Step by Step Solution
- Step 1: Write the proportion equation
76,926.83 : 115,406.93 = 23,618.99 : x - Step 2: Convert to fraction form
76,926.83/115,406.93 = 23,618.99/x - Step 3: Cross multiply
76,926.83x = 115,406.93 × 23,618.99 - Step 4: Simplify right side
76,926.83x = 2,725,795,125.60 - Step 5: Solve for x
x = 2,725,795,125.60/76,926.83 - Step 6: Final answer
x = 35,433.61
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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.