Finding the Fourth Proportional to 110,955.60, 166,324.05 and 54,749.70
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Solution
The fourth proportional to 110,955.60, 166,324.05 and 54,749.70 is: 82,070.59
Step by Step Solution
- Step 1: Write the proportion equation
110,955.60 : 166,324.05 = 54,749.70 : x - Step 2: Convert to fraction form
110,955.60/166,324.05 = 54,749.70/x - Step 3: Cross multiply
110,955.60x = 166,324.05 × 54,749.70 - Step 4: Simplify right side
110,955.60x = 9,106,191,840.29 - Step 5: Solve for x
x = 9,106,191,840.29/110,955.60 - Step 6: Final answer
x = 82,070.59
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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.