Finding the Fourth Proportional to 86,892.69, 130,353.10 and 26,907.07
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Solution
The fourth proportional to 86,892.69, 130,353.10 and 26,907.07 is: 40,364.95
Step by Step Solution
- Step 1: Write the proportion equation
86,892.69 : 130,353.10 = 26,907.07 : x - Step 2: Convert to fraction form
86,892.69/130,353.10 = 26,907.07/x - Step 3: Cross multiply
86,892.69x = 130,353.10 × 26,907.07 - Step 4: Simplify right side
86,892.69x = 3,507,419,200.12 - Step 5: Solve for x
x = 3,507,419,200.12/86,892.69 - Step 6: Final answer
x = 40,364.95
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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.