Finding the Fourth Proportional to 76,794.55, 115,243.72 and 26,875.08
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Solution
The fourth proportional to 76,794.55, 115,243.72 and 26,875.08 is: 40,330.78
Step by Step Solution
- Step 1: Write the proportion equation
76,794.55 : 115,243.72 = 26,875.08 : x - Step 2: Convert to fraction form
76,794.55/115,243.72 = 26,875.08/x - Step 3: Cross multiply
76,794.55x = 115,243.72 × 26,875.08 - Step 4: Simplify right side
76,794.55x = 3,097,184,127.31 - Step 5: Solve for x
x = 3,097,184,127.31/76,794.55 - Step 6: Final answer
x = 40,330.78
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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.