Finding the Fourth Proportional to 76,666.06, 114,962.67 and 26,740.09
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Solution
The fourth proportional to 76,666.06, 114,962.67 and 26,740.09 is: 40,097.43
Step by Step Solution
- Step 1: Write the proportion equation
76,666.06 : 114,962.67 = 26,740.09 : x - Step 2: Convert to fraction form
76,666.06/114,962.67 = 26,740.09/x - Step 3: Cross multiply
76,666.06x = 114,962.67 × 26,740.09 - Step 4: Simplify right side
76,666.06x = 3,074,112,142.44 - Step 5: Solve for x
x = 3,074,112,142.44/76,666.06 - Step 6: Final answer
x = 40,097.43
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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.